diff --git a/src/Bundle/ChillMainBundle/Repository/NotificationRepository.php b/src/Bundle/ChillMainBundle/Repository/NotificationRepository.php
index 38262f95e..35ec64114 100644
--- a/src/Bundle/ChillMainBundle/Repository/NotificationRepository.php
+++ b/src/Bundle/ChillMainBundle/Repository/NotificationRepository.php
@@ -160,6 +160,7 @@ final class NotificationRepository implements ObjectRepository
             ->select('n')
             ->where($qb->expr()->eq('n.relatedEntityClass', ':relatedEntityClass'))
             ->andWhere($qb->expr()->eq('n.relatedEntityId', ':relatedEntityId'))
+            ->andWhere($qb->expr()->isNotNull('n.sender'))
             ->andWhere(
                 $qb->expr()->orX(
                     $qb->expr()->isMemberOf(':user', 'n.addressees'),