diff --git a/apps/emqtt/src/emqtt_protocol.erl b/apps/emqtt/src/emqtt_protocol.erl
index 6d512438a..b794bb9fe 100644
--- a/apps/emqtt/src/emqtt_protocol.erl
+++ b/apps/emqtt/src/emqtt_protocol.erl
@@ -45,7 +45,7 @@
 
 -export([initial_state/2]).
 
--export([handle_packet/2, send_packet/2, client_terminated/1]).
+-export([handle_packet/2, send_message/2, send_packet/2, client_terminated/1]).
 
 -export([info/1]).