diff --git a/ArduSub/GCS_Mavlink.cpp b/ArduSub/GCS_Mavlink.cpp
index b79e441bdc..8d80faf1bd 100644
--- a/ArduSub/GCS_Mavlink.cpp
+++ b/ArduSub/GCS_Mavlink.cpp
@@ -1605,7 +1605,7 @@ void GCS_MAVLINK_Sub::handleMessage(mavlink_message_t* msg)
         // send or receive fence points with GCS
     case MAVLINK_MSG_ID_FENCE_POINT:            // MAV ID: 160
     case MAVLINK_MSG_ID_FENCE_FETCH_POINT:
-        sub.fence.handle_msg(chan, msg);
+        sub.fence.handle_msg(*this, msg);
         break;
 #endif // AC_FENCE == ENABLED