diff --git a/rel/files/app.config b/rel/files/app.config
index e64fda7cf..3102ebb27 100644
--- a/rel/files/app.config
+++ b/rel/files/app.config
@@ -36,7 +36,7 @@
     {session, [ 
         {expires, 1}, 
         {max_queue, 1000}, 
-        {qos0, false}
+        {store_qos0, false}
     ]},
     {retain, [