diff --git a/src/main/java/eu/siacs/conversations/services/NotificationService.java b/src/main/java/eu/siacs/conversations/services/NotificationService.java
index 2de48f338..55cde7a44 100644
--- a/src/main/java/eu/siacs/conversations/services/NotificationService.java
+++ b/src/main/java/eu/siacs/conversations/services/NotificationService.java
@@ -971,6 +971,8 @@ public class NotificationService {
             });
             editor.apply();
         }
+
+        return lastNotificationTimeByConversation;
     }
 
     private void modifyForSoundVibrationAndLight(