diff --git a/lib/classes/ACL.php b/lib/classes/ACL.php
index 6ea8c0f3da..e49fcabf74 100644
--- a/lib/classes/ACL.php
+++ b/lib/classes/ACL.php
@@ -1153,38 +1153,27 @@ class ACL implements cache_cacheableInterface
     {
         $this->load_rights_bas();
 
-        $sql_i = "INSERT INTO basusr (base_id, usr_id, actif) VALUES (:base_id, :usr_id, '1')";
-        $sql_u = "UPDATE basusr SET UPDATE actif='1' WHERE base_id = :base_id AND usr_id = :usr_id";
-        $stmt_i = $this->app->getApplicationBox()->get_connection()->prepare($sql_i);
-        $stmt_u = $this->app->getApplicationBox()->get_connection()->prepare($sql_u);
-
         $usr_id = $this->user->getId();
         foreach ($base_ids as $base_id) {
-            if (!isset($this->_rights_bas[$base_id]) || $this->_rights_bas[$base_id][self::ACTIF] === false) {
-                try {
-                    $stmt_i->execute([':base_id' => $base_id, ':usr_id' => $usr_id]);
-                    if($stmt_i->rowCount() > 0) {
-                        $this->app['dispatcher']->dispatch(
-                            AclEvents::ACCESS_TO_BASE_GRANTED,
-                            new AccessToBaseGrantedEvent(
-                                $this,
-                                array(
-                                    'base_id'=>$base_id
-                                )
-                            )
-                        );
-                    }
-                    else {
-                        $stmt_u->execute([':base_id' => $base_id, ':usr_id' => $usr_id]);
-                    }
-                }
-                catch(\Exception $e) {
-                    // no-opp
-                }
+            if (isset($this->_rights_bas[$base_id]) && $this->_rights_bas[$base_id][self::ACTIF] == true) {
+                continue;
+            }
+
+            if($this->try_give_access_to_base_insert($base_id, $usr_id) == true) {
+                $this->app['dispatcher']->dispatch(
+                    AclEvents::ACCESS_TO_BASE_GRANTED,
+                    new AccessToBaseGrantedEvent(
+                        $this,
+                        array(
+                            'base_id'=>$base_id
+                        )
+                    )
+                );
+            }
+            else {
+                $this->try_give_access_to_base_update($base_id, $usr_id);
             }
         }
-        $stmt_u->closeCursor();
-        $stmt_i->closeCursor();
 
         $this->delete_data_from_cache(self::CACHE_RIGHTS_BAS);
         $this->inject_rights();
@@ -1192,6 +1181,45 @@ class ACL implements cache_cacheableInterface
         return $this;
     }
 
+    private function try_give_access_to_base_insert($base_id, $usr_id)
+    {
+        static $stmt = null;
+        if(!$stmt) {
+            $sql = "INSERT INTO basusr (base_id, usr_id, actif) VALUES (:base_id, :usr_id, '1')";
+            $stmt = $this->app->getApplicationBox()->get_connection()->prepare($sql);
+        }
+        $inserted = false;
+        try {
+            $stmt->execute([':base_id' => $base_id, ':usr_id' => $usr_id]);
+            if ($stmt->rowCount() > 0) {
+                $inserted = true;
+            }
+            $stmt->closeCursor();
+        }
+        catch(DBALException $e) {
+            // no-op, mostly the row did exist
+        }
+
+        return $inserted;
+    }
+
+    private function try_give_access_to_base_update($base_id, $usr_id)
+    {
+        static $stmt = null;
+        if(!$stmt) {
+            $sql = "UPDATE basusr SET UPDATE actif='1' WHERE base_id = :base_id AND usr_id = :usr_id";
+            $stmt = $this->app->getApplicationBox()->get_connection()->prepare($sql);
+        }
+
+        try {
+            $stmt->execute([':base_id' => $base_id, ':usr_id' => $usr_id]);
+            $stmt->closeCursor();
+        }
+        catch(DBALException $e) {
+            // no-op, mostly the row was deleted
+        }
+    }
+
     /**
      *
      * @param  array $sbas_ids
diff --git a/templates/web/prod/WorkZone/Story.html.twig b/templates/web/prod/WorkZone/Story.html.twig
index 803a8af778..56ab777d0d 100644
--- a/templates/web/prod/WorkZone/Story.html.twig
+++ b/templates/web/prod/WorkZone/Story.html.twig
@@ -40,7 +40,7 @@
         <img src="/assets/common/images/icons/feedback16.png"/>
       </button>
       {% endif %}
-      {% if app.getAclForUser(app.getAuthenticatedUser()).has_right(cnstant('\\ACL::BAS_CHUPUB')) %}
+      {% if app.getAclForUser(app.getAuthenticatedUser()).has_right(constant('\\ACL::BAS_CHUPUB')) %}
       <button class="ui-corner-all TOOL_bridge_btn story_window" title="{{ 'action : bridge' | trans }}" data-href="{{ path("prod_bridge_manager") }}">
         <img src="/assets/common/images/icons/door.png"/>
       </button>
diff --git a/tests/Alchemy/Tests/Phrasea/Model/Manipulator/RegistrationManipulatorTest.php b/tests/Alchemy/Tests/Phrasea/Model/Manipulator/RegistrationManipulatorTest.php
index 7517ebf6c2..0ee1a18699 100644
--- a/tests/Alchemy/Tests/Phrasea/Model/Manipulator/RegistrationManipulatorTest.php
+++ b/tests/Alchemy/Tests/Phrasea/Model/Manipulator/RegistrationManipulatorTest.php
@@ -40,11 +40,11 @@ class RegistrationManipulatorTest extends \PhraseanetTestCase
         $aclMock->expects($this->once())->method('give_access_to_sbas')->with($this->equalTo([self::$DI['collection']->get_sbas_id()]));
         $aclMock->expects($this->once())->method('give_access_to_base')->with($this->equalTo([self::$DI['collection']->get_base_id()]));
         $aclMock->expects($this->once())->method('update_rights_to_base')->with($this->equalTo(self::$DI['collection']->get_base_id()), $this->equalTo([
-            \ACL::CANPUTINALBUM   => '1',
-            \ACL::CANDWNLDHD      => '1',
-            \ACL::NOWATERMARK     => '0',
-            \ACL::CANDWNLDPREVIEW => '1',
-            \ACL::ACTIF           => '1',
+            \ACL::CANPUTINALBUM   => true,
+            \ACL::CANDWNLDHD      => true,
+            \ACL::NOWATERMARK     => false,
+            \ACL::CANDWNLDPREVIEW => true,
+            \ACL::ACTIF           => true,
         ]));
 
         $aclProviderMock = $this->getMockBuilder('Alchemy\Phrasea\Authentication\ACLProvider')->disableOriginalConstructor()->getMock();
diff --git a/tests/classes/ACLTest.php b/tests/classes/ACLTest.php
index 89f40fe935..bcfae0d306 100644
--- a/tests/classes/ACLTest.php
+++ b/tests/classes/ACLTest.php
@@ -452,21 +452,21 @@ class ACLTest extends \PhraseanetTestCase
                         'mask_and' => 42
                     ]
                 );
-                $this->assertEquals('42', $this->object->get_mask_and($base_id));
+                $this->assertEquals(42, $this->object->get_mask_and($base_id));
                 $this->object->update_rights_to_base(
                     $base_id,
                     [
                         'mask_and' => 1
                     ]
                 );
-                $this->assertEquals('1', $this->object->get_mask_and($base_id));
+                $this->assertEquals(1, $this->object->get_mask_and($base_id));
                 $this->object->update_rights_to_base(
                     $base_id,
                     [
                         'mask_and' => 0
                     ]
                 );
-                $this->assertEquals('0', $this->object->get_mask_and($base_id));
+                $this->assertEquals(0, $this->object->get_mask_and($base_id));
             }
         }
     }
@@ -531,8 +531,9 @@ class ACLTest extends \PhraseanetTestCase
             $this->object->give_access_to_sbas([$databox->get_sbas_id()]);
         }
 
-        if ($n === 0)
+        if ($n === 0) {
             $this->fail('Not enough collection to test');
+        }
 
         $this->object->give_access_to_base($base_ids);
         $bases = array_keys($this->object->get_granted_base());