diff --git a/apps/emqx_connector/src/mqtt/emqx_connector_mqtt_msg.erl b/apps/emqx_connector/src/mqtt/emqx_connector_mqtt_msg.erl
index 4a6eb71f4..eb483dcc5 100644
--- a/apps/emqx_connector/src/mqtt/emqx_connector_mqtt_msg.erl
+++ b/apps/emqx_connector/src/mqtt/emqx_connector_mqtt_msg.erl
@@ -41,7 +41,7 @@
 -type variables() :: #{
     mountpoint := undefined | binary(),
     remote_topic := binary(),
-    qos := original | integer(),
+    remote_qos := original | integer(),
     retain := original | boolean(),
     payload := binary()
 }.