diff --git a/config/config.yaml b/config/config.yaml
index 04f14f8541175fbdf6d1c14ad56ee6867c081698..be59373007964bddf52274caf0ec65b1ae1e91f0 100644
--- a/config/config.yaml
+++ b/config/config.yaml
@@ -226,7 +226,7 @@ notification:
 
   groupApplicationAccepted:
     conversation:
-      reliabilityLevel: 3
+      reliabilityLevel: 2
       unreadCount: true
     offlinePush:
       switch: false