diff --git a/config/config.yaml b/config/config.yaml
index 04f14f854..be5937300 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