From 6b0571d76cf6cd0add0f5380212c52e8fb8d8578 Mon Sep 17 00:00:00 2001
From: Feng Lee <feng@emqtt.io>
Date: Sun, 23 Jul 2017 20:49:58 +0800
Subject: [PATCH] Fix the undefined error

---
 src/emqttd_app.erl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/emqttd_app.erl b/src/emqttd_app.erl
index b85834722..0aa87458c 100644
--- a/src/emqttd_app.erl
+++ b/src/emqttd_app.erl
@@ -151,7 +151,7 @@ register_acl_mod() ->
 start_autocluster() ->
     ekka:callback(prepare, fun emqttd:shutdown/1),
     ekka:callback(reboot,  fun emqttd:reboot/0),
-    ekka:autocluster(fun after_autocluster/0).
+    ekka:autocluster(?APP, fun after_autocluster/0).
 
 after_autocluster() ->
     emqttd_plugins:init(),