diff --git a/lib/classes/media/subdef.class.php b/lib/classes/media/subdef.class.php
index 6c18ad0fe5..79c9965813 100644
--- a/lib/classes/media/subdef.class.php
+++ b/lib/classes/media/subdef.class.php
@@ -576,16 +576,17 @@ class media_subdef extends media_abstract implements cache_cacheableInterface
             ':name'      => $this->get_name(),
         );
 
-        $this->width = $media->getWidth();
-        $this->height = $media->getHeight();
-
-        unset($media);
-
         $stmt = $this->record->get_databox()->get_connection()->prepare($sql);
         $stmt->execute($params);
         $stmt->closeCursor();
+
+        $this->width = $media->getWidth();
+        $this->height = $media->getHeight();
+
         $this->delete_data_from_cache();
 
+        unset($media);
+
         return $this;
     }
 
diff --git a/lib/classes/task/abstract.class.php b/lib/classes/task/abstract.class.php
index 0074d75303..91a7d047a2 100755
--- a/lib/classes/task/abstract.class.php
+++ b/lib/classes/task/abstract.class.php
@@ -718,7 +718,9 @@ abstract class task_abstract
 
         $tid = $appbox->get_connection()->lastInsertId();
 
-        return new $class_name($tid);
+        $core = \bootstrap::getCore();
+
+        return new $class_name($tid, $core['monolog']);
     }
 
     public function getUsage()
diff --git a/tests/task/period/task_period_archiveTest.php b/tests/task/period/task_period_archiveTest.php
index 345b4bb3f9..14388c3e7a 100644
--- a/tests/task/period/task_period_archiveTest.php
+++ b/tests/task/period/task_period_archiveTest.php
@@ -15,7 +15,10 @@ class task_period_archiveTest extends \PhraseanetPHPUnitAbstract
         $appbox = \appbox::get_instance(\bootstrap::getCore('test'));
         $task = \task_period_archive::create($appbox, 'task_period_archive');
 
-        self::$object = new archiveTester($task->getID(), self::$core['monolog']);
+        $logger = new \Monolog\Logger('test');
+        $logger->pushHandler(new \Monolog\Handler\NullHandler());
+
+        self::$object = new archiveTester($task->getID(), $logger);
     }
 
     public static function tearDownAfterClass()