diff --git a/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclHelper.php b/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclHelper.php
index f1fd0eca64..5dfdc91ffc 100644
--- a/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclHelper.php
+++ b/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclHelper.php
@@ -140,10 +140,10 @@ public function apply(QueryBuilder $queryBuilder, PermissionDefinition $permissi
      */
     private function getPermittedAclIdsSQLForUser(Query $query)
     {
-        $aclConnection = $this->em->getConnection();
-        $database      = $aclConnection->getDatabase();
-        $mask          = $query->getHint('acl.mask');
-        $rootEntity    = '"' . str_replace('\\', '\\\\', $query->getHint('acl.root.entity')) . '"';
+        $aclConnection  = $this->em->getConnection();
+        $databasePrefix = is_file($aclConnection->getDatabase()) ? '' : $aclConnection->getDatabase().'.';
+        $mask           = $query->getHint('acl.mask');
+        $rootEntity     = '"' . str_replace('\\', '\\\\', $query->getHint('acl.root.entity')) . '"';
 
         /* @var $token TokenInterface */
         $token     = $this->securityContext->getToken();
@@ -175,13 +175,13 @@ private function getPermittedAclIdsSQLForUser(Query $query)
         }
 
         $selectQuery = <<<SELECTQUERY
-SELECT DISTINCT o.object_identifier as id FROM {$database}.acl_object_identities as o
-INNER JOIN {$database}.acl_classes c ON c.id = o.class_id
-LEFT JOIN {$database}.acl_entries e ON (
+SELECT DISTINCT o.object_identifier as id FROM {$databasePrefix}acl_object_identities as o
+INNER JOIN {$databasePrefix}acl_classes c ON c.id = o.class_id
+LEFT JOIN {$databasePrefix}acl_entries e ON (
     e.class_id = o.class_id AND (e.object_identity_id = o.id
     OR {$aclConnection->getDatabasePlatform()->getIsNullExpression('e.object_identity_id')})
 )
-LEFT JOIN {$database}.acl_security_identities s ON (
+LEFT JOIN {$databasePrefix}acl_security_identities s ON (
 s.id = e.security_identity_id
 )
 WHERE c.class_type = {$rootEntity}
diff --git a/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclNativeHelper.php b/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclNativeHelper.php
index d3688b7ed0..af66b4cb7f 100644
--- a/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclNativeHelper.php
+++ b/src/Kunstmaan/AdminBundle/Helper/Security/Acl/AclNativeHelper.php
@@ -61,11 +61,11 @@ public function apply(QueryBuilder $queryBuilder, PermissionDefinition $permissi
     {
         $aclConnection = $this->em->getConnection();
 
-        $database   = $aclConnection->getDatabase();
-        $rootEntity = $permissionDef->getEntity();
-        $linkAlias  = $permissionDef->getAlias();
+        $databasePrefix = is_file($aclConnection->getDatabase()) ? '' : $aclConnection->getDatabase().'.';
+        $rootEntity     = $permissionDef->getEntity();
+        $linkAlias      = $permissionDef->getAlias();
         // Only tables with a single ID PK are currently supported
-        $linkField = $this->em->getClassMetadata($rootEntity)->getSingleIdentifierColumnName();
+        $linkField      = $this->em->getClassMetadata($rootEntity)->getSingleIdentifierColumnName();
 
         $rootEntity = '"' . str_replace('\\', '\\\\', $rootEntity) . '"';
         $query      = $queryBuilder;
@@ -107,13 +107,13 @@ public function apply(QueryBuilder $queryBuilder, PermissionDefinition $permissi
         }
 
         $joinTableQuery = <<<SELECTQUERY
-SELECT DISTINCT o.object_identifier as id FROM {$database}.acl_object_identities as o
-INNER JOIN {$database}.acl_classes c ON c.id = o.class_id
-LEFT JOIN {$database}.acl_entries e ON (
+SELECT DISTINCT o.object_identifier as id FROM {$databasePrefix}.acl_object_identities as o
+INNER JOIN {$databasePrefix}.acl_classes c ON c.id = o.class_id
+LEFT JOIN {$databasePrefix}.acl_entries e ON (
     e.class_id = o.class_id AND (e.object_identity_id = o.id
     OR {$aclConnection->getDatabasePlatform()->getIsNullExpression('e.object_identity_id')})
 )
-LEFT JOIN {$database}.acl_security_identities s ON (
+LEFT JOIN {$databasePrefix}.acl_security_identities s ON (
 s.id = e.security_identity_id
 )
 WHERE c.class_type = {$rootEntity}