diff --git a/src/emqttd_app.erl b/src/emqttd_app.erl
index 0ebb6b5c4..ca6dc252c 100644
--- a/src/emqttd_app.erl
+++ b/src/emqttd_app.erl
@@ -39,7 +39,7 @@
 
 start(_Type, _Args) ->
     print_banner(),
-    %%ekka:start(),
+    ekka:start(),
     {ok, Sup} = emqttd_sup:start_link(),
     start_servers(Sup),
     emqttd_cli:load(),