diff --git a/Notification/NotificationPool.php b/Notification/NotificationPool.php
index eb30916d1..230698068 100644
--- a/Notification/NotificationPool.php
+++ b/Notification/NotificationPool.php
@@ -78,6 +78,8 @@ private function translateMessage(TranslatableNotificationMessage $message)
 
     public function onKernelResponse(FilterResponseEvent $event)
     {
-        $this->session->getFlashBag()->set('notification', $this->notifications);
+        if ($this->notifications) {
+            $this->session->getFlashBag()->set('notification', $this->notifications);
+        }
     }
 }