diff --git a/lib/Alchemy/Phrasea/Controller/Admin/Collection.php b/lib/Alchemy/Phrasea/Controller/Admin/Collection.php
index 8204e58506..0aacf8f851 100644
--- a/lib/Alchemy/Phrasea/Controller/Admin/Collection.php
+++ b/lib/Alchemy/Phrasea/Controller/Admin/Collection.php
@@ -496,7 +496,7 @@ class Collection implements ControllerProviderInterface
                 $msg = _('Collection empty successful');
             } else {
                 $settings = '<?xml version="1.0" encoding="UTF-8"?><tasksettings><bas_id>' . $collection->get_base_id() . '</bas_id></tasksettings>';
-                \task_abstract::create($app, 'task_period_emptyColl', $settings);
+                \task_period_emptyColl::create($app, $settings);
                 $msg = _('A task has been creted, please run it to complete empty collection');
             }
 
diff --git a/lib/Alchemy/Phrasea/Controller/Admin/Databox.php b/lib/Alchemy/Phrasea/Controller/Admin/Databox.php
index 05dd45112c..480bafbdb9 100644
--- a/lib/Alchemy/Phrasea/Controller/Admin/Databox.php
+++ b/lib/Alchemy/Phrasea/Controller/Admin/Databox.php
@@ -882,7 +882,7 @@ class Databox implements ControllerProviderInterface
                         $msg = _('Base empty successful');
                     } else {
                         $settings = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><tasksettings><base_id>" . $collection->get_base_id() . "</base_id></tasksettings>";
-                        \task_abstract::create($app, 'task_period_emptyColl', $settings);
+                        \task_period_emptyColl::create($app, $settings);
                         $msg = _('A task has been creted, please run it to complete empty collection');
                     }
                 }
diff --git a/lib/Alchemy/Phrasea/Controller/Admin/TaskManager.php b/lib/Alchemy/Phrasea/Controller/Admin/TaskManager.php
index 9aa33edacb..6de02ae451 100644
--- a/lib/Alchemy/Phrasea/Controller/Admin/TaskManager.php
+++ b/lib/Alchemy/Phrasea/Controller/Admin/TaskManager.php
@@ -49,7 +49,11 @@ class TaskManager implements ControllerProviderInterface
         })->bind('admin_tasks_list');
 
         $controllers->post('/tasks/create/', function(Application $app, Request $request) {
-            $task = \task_abstract::create($app, $request->request->get('tcl'));
+            if (!class_exists($className = $request->request->get('tcl'))) {
+                $app->abort(400, sprintf('Unknown task %s', $className));
+            }
+
+            $task = $className::create($app);
             $tid = $task->getId();
 
             return $app->redirectPath('admin_tasks_task_show', array('id' => $tid));
diff --git a/lib/Alchemy/Phrasea/Setup/Installer.php b/lib/Alchemy/Phrasea/Setup/Installer.php
index 24d8a01cf1..a9bf83c95a 100644
--- a/lib/Alchemy/Phrasea/Setup/Installer.php
+++ b/lib/Alchemy/Phrasea/Setup/Installer.php
@@ -94,30 +94,13 @@ class Installer
         );
 
         foreach (array('cindexer', 'subdef', 'writemeta') as $task) {
-            $class_name = sprintf('task_period_%s', $task);
-            if ($task === 'cindexer' && is_executable($this->phraseaIndexer)) {
-                $credentials = $databox->get_appbox()->get_connection()->get_credentials();
+            $className = sprintf('task_period_%s', $task);
 
-                $host = $credentials['hostname'];
-                $port = $credentials['port'];
-                $user_ab = $credentials['user'];
-                $password = $credentials['password'];
-                $dbname = $credentials['dbname'];
-
-                $settings = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<tasksettings>\n<binpath>"
-                    . str_replace('/phraseanet_indexer', '', $this->phraseaIndexer)
-                    . "</binpath><host>" . $host . "</host><port>"
-                    . $port . "</port><base>"
-                    . $dbname . "</base><user>"
-                    . $user_ab . "</user><password>"
-                    . $password . "</password><socket>25200</socket>"
-                    . "<use_sbas>1</use_sbas><nolog>0</nolog><clng></clng>"
-                    . "<winsvc_run>0</winsvc_run><charset>utf8</charset></tasksettings>";
-            } else {
-                $settings = null;
+            if (!class_exists($className)) {
+                throw new \InvalidArgumentException('Unknown task class "' . $className.'"');
             }
 
-            \task_abstract::create($this->app, $class_name, $settings);
+            $className::create($this->app);
         }
     }
 
diff --git a/lib/classes/task/abstract.php b/lib/classes/task/abstract.php
index b17fa3aa3f..3a6d93894d 100644
--- a/lib/classes/task/abstract.php
+++ b/lib/classes/task/abstract.php
@@ -1,6 +1,7 @@
 <?php
 
 use Monolog\Logger;
+use Alchemy\Phrasea\Core\Configuration\Configuration;
 
 abstract class task_abstract
 {
@@ -833,12 +834,8 @@ abstract class task_abstract
      * @param  string        $settings
      * @return task_abstract
      */
-    public static function create(\Pimple $dependencyContainer, $class_name, $settings = null)
+    public static function create(\Pimple $dependencyContainer, $settings = null)
     {
-        if ( ! class_exists($class_name)) {
-            throw new Exception('Unknown task class');
-        }
-
         $sql = 'INSERT INTO task2
                     (task_id, usr_id_owner, status, crashed, active,
                       name, last_exec_time, class, settings)
@@ -848,24 +845,25 @@ abstract class task_abstract
 
         $domdoc = new DOMDocument();
         if ($settings && ! $domdoc->loadXML($settings)) {
-            throw new Exception('settings invalide');
+            throw new Exception('Invalid settings');
         } elseif (! $settings) {
-            $settings = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<tasksettings>\n</tasksettings>";
+            $settings = static::getDefaultSettings($dependencyContainer['phraseanet.configuration']);
         }
 
         $params = array(
             ':active'   => 1
             , ':name'     => ''
-            , ':class'    => $class_name
+            , ':class'    => get_called_class()
             , ':settings' => $settings
         );
+
         $stmt = $dependencyContainer['phraseanet.appbox']->get_connection()->prepare($sql);
         $stmt->execute($params);
         $stmt->closeCursor();
 
         $tid = $dependencyContainer['phraseanet.appbox']->get_connection()->lastInsertId();
 
-        $task = new $class_name($tid, $dependencyContainer, $dependencyContainer['task-manager.logger']);
+        $task = new static($tid, $dependencyContainer, $dependencyContainer['task-manager.logger']);
         $task->setTitle($task->getName());
 
         return $task;
@@ -917,4 +915,13 @@ abstract class task_abstract
 
         return $this;
     }
+
+    /**
+    *
+    * @param array $params
+    */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<tasksettings>\n</tasksettings>";
+    }
 }
diff --git a/lib/classes/task/period/RecordMover.php b/lib/classes/task/period/RecordMover.php
index ad450b395c..798995d191 100644
--- a/lib/classes/task/period/RecordMover.php
+++ b/lib/classes/task/period/RecordMover.php
@@ -8,14 +8,10 @@
  * file that was distributed with this source code.
  */
 
-/**
- *
- * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
- * @link        www.phraseanet.com
- */
+use Alchemy\Phrasea\Core\Configuration\Configuration;
+
 class task_period_RecordMover extends task_appboxAbstract
 {
-
     /**
      *
      * @return string
@@ -788,25 +784,97 @@ class task_period_RecordMover extends task_appboxAbstract
         switch ($parm2['ACT']) {
             case 'CALCTEST':
                 $sxml = simplexml_load_string($parm2['xml']);
-                foreach ($sxml->tasks->task as $sxtask) {
-                    $ret['tasks'][] = $this->calcSQL($sxtask, false);
+                if (isset($sxml->tasks->task)) {
+                    foreach ($sxml->tasks->task as $sxtask) {
+                        $ret['tasks'][] = $this->calcSQL($sxtask, false);
+                    }
                 }
                 break;
             case 'PLAYTEST':
                 $sxml = simplexml_load_string($parm2['xml']);
-                foreach ($sxml->tasks->task as $sxtask) {
-                    $ret['tasks'][] = $this->calcSQL($sxtask, true);
+                if (isset($sxml->tasks->task)) {
+                    foreach ($sxml->tasks->task as $sxtask) {
+                        $ret['tasks'][] = $this->calcSQL($sxtask, true);
+                    }
                 }
                 break;
             case 'CALCSQL':
                 $xml = $this->graphic2xml('<?xml version="1.0" encoding="UTF-8"?><tasksettings/>');
                 $sxml = simplexml_load_string($xml);
-                foreach ($sxml->tasks->task as $sxtask) {
-                    $ret['tasks'][] = $this->calcSQL($sxtask, false);
+                if (isset($sxml->tasks->task)) {
+                    foreach ($sxml->tasks->task as $sxtask) {
+                        $ret['tasks'][] = $this->calcSQL($sxtask, false);
+                    }
                 }
                 break;
         }
 
         return json_encode($ret);
     }
+
+    /**
+     * @param array $params
+     */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        $period = isset($params['period']) ? $params['period'] : self::MINPERIOD;
+
+        return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>
+        <tasksettings>
+            <period>". min(max($period, self::MINPERIOD), self::MAXPERIOD) ."</period>
+            <logsql>0</logsql>
+            <!--
+            <tasks>
+                //Maintain offline (sb4 = 1) all docs under copyright
+                <task active=\"1\" name=\"confidentiel\" action=\"update\" sbas_id=\"1\">
+                    <from>
+                        <date direction=\"before\" field=\"FIN_COPYRIGHT\"/>
+                    </from>
+                    <to>
+                        <status mask=\"x1xxxx\"/>
+                    </to>
+                </task>
+                //Put online (sb4 = 0) all docs from 'public' collection and between the copyright date and the date of filing
+                <task active=\"1\" name=\"visible\" action=\"update\" sbas_id=\"1\">
+                    <from>
+                        <coll compare=\"=\" id=\"5\"/>
+                        <date direction=\"after\" field=\"FIN_COPYRIGHT\"/>
+                        <date direction=\"before\" field=\"ARCHIVAGE\"/>
+                    </from>
+                    <to>
+                        <status mask=\"x0xxxx\"/>
+                    </to>
+                </task>
+                // Warn 10 days before archiving (raise sb5)
+                <task active=\"1\" name=\"bientôt la fin\" action=\"update\" sbas_id=\"1\">
+                    <from>
+                        <coll compare=\"=\" id=\"5\"/>
+                        <date direction=\"after\" field=\"ARCHIVAGE\" delta=\"-10\"/>
+                    </from>
+                    <to>
+                        <status mask=\"1xxxxx\"/>
+                    </to>
+                </task>
+                //Move to 'archive' collection
+                <task active=\"1\" name=\"archivage\" action=\"update\" sbas_id=\"1\">
+                    <from>
+                        <coll compare=\"=\" id=\"5\"/>
+                        <date direction=\"after\" field=\"ARCHIVAGE\" />
+                    </from>
+                    <to>
+                        <status mask=\"00xxxx\"/>   on nettoie les status pour la forme
+                        <coll id=\"666\" />
+                    </to>
+                </task>
+                //Purge the archived documents from one year that are in the 'archive' collection
+                <task active=\"1\" name=\"archivage\" action=\"delete\" sbas_id=\"1\">
+                    <from>
+                        <coll compare=\"=\" id=\"666\"/>
+                        <date direction=\"after\" field=\"ARCHIVAGE\" delta=\"+365\" />
+                    </from>
+                </task>
+            </tasks>
+            -->
+        </tasksettings>";
+    }
 }
diff --git a/lib/classes/task/period/apibridge.php b/lib/classes/task/period/apibridge.php
index c724adf180..f299b0728e 100644
--- a/lib/classes/task/period/apibridge.php
+++ b/lib/classes/task/period/apibridge.php
@@ -9,11 +9,6 @@
  * file that was distributed with this source code.
  */
 
-/**
- *
- * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
- * @link        www.phraseanet.com
- */
 class task_period_apibridge extends task_appboxAbstract
 {
 
diff --git a/lib/classes/task/period/archive.php b/lib/classes/task/period/archive.php
index 00c7ec0954..a10fa8621c 100644
--- a/lib/classes/task/period/archive.php
+++ b/lib/classes/task/period/archive.php
@@ -9,6 +9,7 @@
  */
 
 use Alchemy\Phrasea\Border\File;
+use Alchemy\Phrasea\Core\Configuration\Configuration;
 use Alchemy\Phrasea\Metadata\Tag as PhraseaTag;
 use Alchemy\Phrasea\Border\Attribute as BorderAttribute;
 use Alchemy\Phrasea\Border\MetadataBag;
@@ -17,11 +18,6 @@ use PHPExiftool\Driver\Metadata\MetadataBag as ExiftoolMetadataBag;
 use PHPExiftool\Driver\Metadata\Metadata;
 use Symfony\Component\Filesystem\Exception\IOException;
 
-/**
- *
- * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
- * @link        www.phraseanet.com
- */
 class task_period_archive extends task_abstract
 {
     const MINCOLD = 5;
@@ -2206,4 +2202,24 @@ class CListFolder
     {
         return array_shift($this->list);
     }
+
+    /**
+     * @param array $params
+     */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        $period = isset($params['period']) ? $params['period'] : self::MINPERIOD;
+
+        return sprintf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>
+            <tasksettings>
+                <base_id></base_id>
+                <hotfolder></hotfolder>
+                <period>%s</period>
+                <move_archived>0</move_archived>
+                <move_error>0</move_error>
+                <delfolder>0</delfolder>
+                <copy_spe>0</copy_spe>
+                <cold></cold>
+            </tasksettings>", min(max($period, self::MINPERIOD), self::MAXPERIOD));
+    }
 }
diff --git a/lib/classes/task/period/cindexer.php b/lib/classes/task/period/cindexer.php
index 1f21f26781..8e0563f10f 100644
--- a/lib/classes/task/period/cindexer.php
+++ b/lib/classes/task/period/cindexer.php
@@ -8,13 +8,9 @@
  * file that was distributed with this source code.
  */
 
+use Alchemy\Phrasea\Core\Configuration\Configuration;
 use Symfony\Component\Process\ExecutableFinder;
 
-/**
- *
- * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
- * @link        www.phraseanet.com
- */
 class task_period_cindexer extends task_abstract
 {
     // how to execute indexer (choose in 'run2' method)
@@ -656,4 +652,23 @@ class task_period_cindexer extends task_abstract
         pcntl_exec($cmd, $args);
         sleep(2);
     }
+
+    /**
+     * @param array $params
+     */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        $binaries = $config['binaries'];
+        $database = $config['main']['database'];
+
+        return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<tasksettings>\n<binpath>"
+            . (array_key_exists('phraseanet_indexer', $binaries) ? str_replace('/phraseanet_indexer', '', $binaries['phraseanet_indexer']) : '')
+            . "</binpath><host>" . $database['host'] . "</host><port>"
+            . $database['port'] . "</port><base>"
+            . $database['dbname'] . "</base><user>"
+            . $database['user'] . "</user><password>"
+            . $database['password'] . "</password><socket>25200</socket>"
+            . "<use_sbas>1</use_sbas><nolog>0</nolog><clng></clng>"
+            . "<winsvc_run>0</winsvc_run><charset>utf8</charset></tasksettings>";
+    }
 }
diff --git a/lib/classes/task/period/emptyColl.php b/lib/classes/task/period/emptyColl.php
index aeba0ec73e..9b91c8f0df 100644
--- a/lib/classes/task/period/emptyColl.php
+++ b/lib/classes/task/period/emptyColl.php
@@ -9,11 +9,6 @@
  * file that was distributed with this source code.
  */
 
-/**
- *
- * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
- * @link        www.phraseanet.com
- */
 class task_period_emptyColl extends task_appboxAbstract
 {
     protected $base_id;
@@ -35,6 +30,15 @@ class task_period_emptyColl extends task_appboxAbstract
         return("Vide une collection");
     }
 
+     /**
+     *
+     * @param array $params
+     */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        return "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<tasksettings>\n</tasksettings>";
+    }
+
     protected function loadSettings(SimpleXMLElement $sx_task_settings)
     {
         $this->base_id = (int) $sx_task_settings->base_id;
diff --git a/lib/classes/task/period/ftp.php b/lib/classes/task/period/ftp.php
index 3ca3bd5635..f2577790e6 100644
--- a/lib/classes/task/period/ftp.php
+++ b/lib/classes/task/period/ftp.php
@@ -8,10 +8,12 @@
  * file that was distributed with this source code.
  */
 
+use Alchemy\Phrasea\Core\Configuration\Configuration;
 use Alchemy\Phrasea\Exception\InvalidArgumentException;
 use Alchemy\Phrasea\Notification\Mail\MailSuccessFTPSender;
 use Alchemy\Phrasea\Notification\Receiver;
 
+
 class task_period_ftp extends task_appboxAbstract
 {
     protected $proxy;
@@ -704,4 +706,21 @@ class task_period_ftp extends task_appboxAbstract
 
         return $this;
     }
+
+
+    /**
+     * @param array $params
+     */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        $period = isset($params['period']) ? $params['period'] : self::MINPERIOD;
+
+        return sprintf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>
+            <tasksettings>
+                <proxy></proxy>
+                <proxyport></proxyport>
+                <period>%s</period>
+                <syslog></syslog>
+            </tasksettings>", min(max($period, self::MINPERIOD), self::MAXPERIOD));
+    }
 }
diff --git a/lib/classes/task/period/ftpPull.php b/lib/classes/task/period/ftpPull.php
index a6f24b1042..c9211b79ce 100644
--- a/lib/classes/task/period/ftpPull.php
+++ b/lib/classes/task/period/ftpPull.php
@@ -8,11 +8,8 @@
  * file that was distributed with this source code.
  */
 
-/**
- *
- * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
- * @link        www.phraseanet.com
- */
+use Alchemy\Phrasea\Core\Configuration\Configuration;
+
 class task_period_ftpPull extends task_appboxAbstract
 {
     protected $proxy;
@@ -453,4 +450,27 @@ class task_period_ftpPull extends task_appboxAbstract
     {
 
     }
+
+    /**
+     * @param array $params
+     */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        $period = isset($params['period']) ? $params['period'] : self::MINPERIOD;
+
+        return sprintf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>
+            <tasksettings>
+                <proxy></proxy>
+                <proxyport></proxyport>
+                <period>%s</period>
+                <passive>0</passive>
+                <ssl>0</ssl>
+                <password></password>
+                <user></user>
+                <ftppath></ftppath>
+                <localpath></localpath>
+                <port>21</port>
+                <host></host>
+            </tasksettings>", min(max($period, self::MINPERIOD), self::MAXPERIOD));
+    }
 }
diff --git a/lib/classes/task/period/subdef.php b/lib/classes/task/period/subdef.php
index 68a5531f42..484f107d6d 100644
--- a/lib/classes/task/period/subdef.php
+++ b/lib/classes/task/period/subdef.php
@@ -8,6 +8,8 @@
  * file that was distributed with this source code.
  */
 
+use Alchemy\Phrasea\Core\Configuration\Configuration;
+
 class task_period_subdef extends task_databoxAbstract
 {
     const MINMEGS = 20;
@@ -328,4 +330,28 @@ class task_period_subdef extends task_databoxAbstract
 
         return $this;
     }
+
+    /**
+     * @param array $params
+     */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        $period = isset($params['period']) ? $params['period'] : self::MINPERIOD;
+        $flush = isset($params['flush']) ? $params['flush'] : self::MINFLUSH;
+        $maxrecs = isset($params['maxrecs']) ? $params['maxrecs'] : self::MINRECS;
+        $maxmegs = isset($params['maxmegs']) ? $params['maxmegs'] : self::MINMEGS;
+
+        return sprintf('<?xml version="1.0" encoding="UTF-8"?>
+            <tasksettings>
+                <period>%s</period>
+                <flush>%s</flush>
+                <maxrecs>%s</maxrecs>
+                <maxmegs>%s</maxmegs>
+            </tasksettings>',
+            min(max($period, self::MINPERIOD), self::MAXPERIOD),
+            min(max($flush, self::MINFLUSH), self::MAXFLUSH),
+            min(max($maxrecs, self::MINRECS), self::MAXRECS),
+            min(max($maxmegs, self::MINMEGS), self::MAXMEGS)
+        );
+    }
 }
diff --git a/lib/classes/task/period/test.php b/lib/classes/task/period/test.php
index 31ed459de4..6960457afc 100644
--- a/lib/classes/task/period/test.php
+++ b/lib/classes/task/period/test.php
@@ -9,11 +9,6 @@
  * file that was distributed with this source code.
  */
 
-/**
- *
- * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
- * @link        www.phraseanet.com
- */
 class task_period_test extends task_appboxAbstract
 {
 
diff --git a/lib/classes/task/period/writemeta.php b/lib/classes/task/period/writemeta.php
index f58855a85a..3a0149aaf6 100644
--- a/lib/classes/task/period/writemeta.php
+++ b/lib/classes/task/period/writemeta.php
@@ -8,16 +8,12 @@
  * file that was distributed with this source code.
  */
 
+use Alchemy\Phrasea\Core\Configuration\Configuration;
 use PHPExiftool\Driver\Metadata;
 use PHPExiftool\Driver\Value;
 use PHPExiftool\Driver\Tag;
 use PHPExiftool\Writer;
 
-/**
- *
- * @license     http://opensource.org/licenses/gpl-3.0 GPLv3
- * @link        www.phraseanet.com
- */
 class task_period_writemeta extends task_databoxAbstract
 {
     protected $clear_doc;
@@ -340,4 +336,26 @@ class task_period_writemeta extends task_databoxAbstract
 
         return $this;
     }
+
+    /**
+     * @param array $params
+     */
+    public static function getDefaultSettings(Configuration $config, array $params = array())
+    {
+        $period = isset($params['period']) ? $params['period'] : self::MINPERIOD;
+        $maxrecs = isset($params['maxrecs']) ? $params['maxrecs'] : self::MINRECS;
+        $maxmegs = isset($params['maxmegs']) ? $params['maxmegs'] : self::MINMEGS;
+
+        return sprintf('<?xml version="1.0" encoding="UTF-8"?>
+            <tasksettings>
+              <period>%s</period>
+              <maxrecs>%s</maxrecs>
+              <maxmegs>%s</maxmegs>
+              <cleardoc>0</cleardoc>
+            </tasksettings>',
+            min(max($period, self::MINPERIOD), self::MAXPERIOD),
+            min(max($maxrecs, self::MINRECS), self::MAXRECS),
+            min(max($maxmegs, self::MINMEGS), self::MAXMEGS)
+        );
+    }
 }
diff --git a/tests/classes/task/period/task_period_archiveTest.php b/tests/classes/task/period/task_period_archiveTest.php
index 03bc118c4d..260de7ab2e 100644
--- a/tests/classes/task/period/task_period_archiveTest.php
+++ b/tests/classes/task/period/task_period_archiveTest.php
@@ -16,7 +16,7 @@ class task_period_archiveTest extends \PhraseanetPHPUnitAbstract
 
         $app = new Application('test');
 
-        $task = \task_period_archive::create($app, 'task_period_archive');
+        $task = \task_period_archive::create($app);
 
         $logger = new \Monolog\Logger('test');
         $logger->pushHandler(new \Monolog\Handler\NullHandler());
diff --git a/tests/classes/task/task_abstractTest.php b/tests/classes/task/task_abstractTest.php
index 50c3904475..937d31fca4 100644
--- a/tests/classes/task/task_abstractTest.php
+++ b/tests/classes/task/task_abstractTest.php
@@ -15,7 +15,7 @@ class task_abstractTest extends PhraseanetPHPUnitAbstract
         parent::setUpBeforeClass();
         $app = new Application('test');
 
-        self::$task = task_abstract::create($app, 'task_period_test');
+        self::$task = task_period_test::create($app);
         self::$tid = self::$task->getID();
     }