diff --git a/lib/Doctrine/ORM/UnitOfWork.php b/lib/Doctrine/ORM/UnitOfWork.php
index cb1f76958..e0df63958 100644
--- a/lib/Doctrine/ORM/UnitOfWork.php
+++ b/lib/Doctrine/ORM/UnitOfWork.php
@@ -530,7 +530,7 @@ class UnitOfWork implements PropertyChangedListener
             $class = $this->em->getClassMetadata(get_class($entity));
         }
 
-        $invoke = $this->listenersInvoker->getSubscribedSystems($class, Events::preFlush);
+        $invoke = $this->listenersInvoker->getSubscribedSystems($class, Events::preFlush) & ~ListenersInvoker::INVOKE_MANAGER;
 
         if ($invoke !== ListenersInvoker::INVOKE_NONE) {
             $this->listenersInvoker->invoke($class, Events::preFlush, $entity, new PreFlushEventArgs($this->em), $invoke);