diff --git a/src/emqttd_ws_client_sup.erl b/src/emqttd_ws_client_sup.erl
index d01055115..60e1461b7 100644
--- a/src/emqttd_ws_client_sup.erl
+++ b/src/emqttd_ws_client_sup.erl
@@ -1,5 +1,5 @@
 %%--------------------------------------------------------------------
-%% Copyright (c) 2012-2017 Feng Lee <feng@emqtt.io>.
+%% Copyright (c) 2013-2017 EMQ Enterprise, Inc. (http://emqtt.io)
 %%
 %% Licensed under the Apache License, Version 2.0 (the "License");
 %% you may not use this file except in compliance with the License.
@@ -37,8 +37,9 @@ start_client(WsPid, Req, ReplyChannel) ->
 %%--------------------------------------------------------------------
 %% Supervisor callbacks
 %%--------------------------------------------------------------------
+
 init([]) ->
-    {ok, Env} = emqttd:env(protocol),
+    Env = lists:append(emqttd:env(client), emqttd:env(protocol)),
     {ok, {{simple_one_for_one, 0, 1},
            [{ws_client, {emqttd_ws_client, start_link, [Env]},
              temporary, 5000, worker, [emqttd_ws_client]}]}}.