diff --git a/DependencyInjection/Compiler/OverwriteIdentitiesProviderPass.php b/DependencyInjection/Compiler/OverwriteIdentitiesProviderPass.php
index c001bee..f7251f0 100644
--- a/DependencyInjection/Compiler/OverwriteIdentitiesProviderPass.php
+++ b/DependencyInjection/Compiler/OverwriteIdentitiesProviderPass.php
@@ -1,14 +1,21 @@
 <?php
 
-namespace  Mapbender\LDAPBundle\DependencyInjection\Compiler;
+namespace Mapbender\LDAPBundle\DependencyInjection\Compiler;
+
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
 
 class OverwriteIdentitiesProviderPass implements CompilerPassInterface
 {
     public function process(ContainerBuilder $container)
     {
         $container->setParameter("fom.identities.provider.class", "Mapbender\LDAPBundle\Security\Provider\LDAPIdentitiesProvider");
-
+        $container->register('fom.identities.provider', "Mapbender\LDAPBundle\Security\Provider\LDAPIdentitiesProvider")
+            ->addArgument(new Reference('doctrine'))
+            ->addArgument(new Reference('fom.ldap_user_identities_provider'))
+            ->addArgument('%fom.user_entity%')
+            ->addArgument(new Reference('service_container'))
+        ;
     }
 }
diff --git a/Security/Provider/LDAPIdentitiesProvider.php b/Security/Provider/LDAPIdentitiesProvider.php
index 5bb2573..21e4a3e 100644
--- a/Security/Provider/LDAPIdentitiesProvider.php
+++ b/Security/Provider/LDAPIdentitiesProvider.php
@@ -1,11 +1,23 @@
 <?php
 
 namespace Mapbender\LDAPBundle\Security\Provider;
+
+use Doctrine\Persistence\ManagerRegistry;
 use Mapbender\LDAPBundle\Security\User\LDAPUser as User;
 use Mapbender\LDAPBundle\Security\User\LDAPGroup as Group;
 use Mapbender\LDAPBundle\Exceptions\MissconfiguredLDAPClientException;
+use FOM\UserBundle\Component\Ldap;
+use Symfony\Component\DependencyInjection\ContainerInterface as Container;
+
 class LDAPIdentitiesProvider extends \FOM\UserBundle\Component\FOMIdentitiesProvider
 {
+    protected $container;
+
+    public function __construct(ManagerRegistry $doctrineRegistry, Ldap\UserProvider $ldapUserProvider, $userEntityClass, Container $container)
+    {
+        parent::__construct($doctrineRegistry, $ldapUserProvider, $userEntityClass);
+        $this->container = $container;
+    }
 
     public function getAllUsers()
     {
@@ -28,7 +40,7 @@ public function getAllUsers()
                 if(isset($ldapUser[$nameAttribute][0])){
                     $user[] = new User($ldapUser[$nameAttribute][0]);
                 }
-                
+
             }
 
         }
@@ -72,8 +84,8 @@ public function getAllGroups()
                 if(isset($ldapGroup[$groupIdentifier])){
                     $groups[] = new Group($ldapGroup[$groupIdentifier][0]);
                 }
-             
-               
+
+
             }
 
         }