diff --git a/src/ZucchiDoctrine/Query/Provider/DefaultOrm.php b/src/ZucchiDoctrine/Query/Provider/DefaultOrm.php
index 919c69a..7bf370d 100644
--- a/src/ZucchiDoctrine/Query/Provider/DefaultOrm.php
+++ b/src/ZucchiDoctrine/Query/Provider/DefaultOrm.php
@@ -78,6 +78,11 @@ public function createQuery(ResourceEvent $event, $entityClass, $parameters)
             $this->addLimit($queryBuilder, $limit);
         }
 
+        // trigger event for manipulating $where
+        $providerEvent = new Event(Event::EVENT_QUERYBUILDER, $queryBuilder, array('entityClass' => $entityClass));
+        $providerEvent->setEntityManager($this->getObjectManager());
+        $this->getEventManager()->trigger($providerEvent);
+
         return $queryBuilder;
     }
 
diff --git a/src/ZucchiDoctrine/Query/Provider/Event.php b/src/ZucchiDoctrine/Query/Provider/Event.php
index a90590a..ac77a0e 100644
--- a/src/ZucchiDoctrine/Query/Provider/Event.php
+++ b/src/ZucchiDoctrine/Query/Provider/Event.php
@@ -20,5 +20,5 @@ class Event extends ZendEvent implements EntityManagerAwareInterface
     const EVENT_WHERE = 'where';
     const EVENT_ORDER = 'order';
     const EVENT_LIMIT = 'limit';
-
+    const EVENT_QUERYBUILDER = 'querybuilder';
 }
\ No newline at end of file