diff --git a/apps/iot/src/iot_mqtt_connection.erl b/apps/iot/src/iot_mqtt_connection.erl
index 774f951..8ced897 100644
--- a/apps/iot/src/iot_mqtt_connection.erl
+++ b/apps/iot/src/iot_mqtt_connection.erl
@@ -11,7 +11,7 @@
 -include("iot.hrl").
 
 %% API
--export([start_link/1, publish_status/1, publish_msg/2]).
+-export([start_link/2, publish_status/1, publish_msg/2]).
 
 %% gen_statem callbacks
 -export([init/1, callback_mode/0, handle_event/4, terminate/3, code_change/4]).