diff --git a/ArduSub/GCS_Mavlink.h b/ArduSub/GCS_Mavlink.h
index 937224027c..334586941c 100644
--- a/ArduSub/GCS_Mavlink.h
+++ b/ArduSub/GCS_Mavlink.h
@@ -8,6 +8,7 @@ public:
 
     using GCS_MAVLINK::GCS_MAVLINK;
 
+    uint8_t sysid_my_gcs() const override;
 protected:
 
     uint32_t telem_delay() const override {
@@ -16,8 +17,6 @@ protected:
 
     MAV_RESULT handle_flight_termination(const mavlink_command_long_t &packet) override;
 
-    uint8_t sysid_my_gcs() const override;
-
     MAV_RESULT handle_command_do_set_roi(const Location &roi_loc) override;
     MAV_RESULT _handle_command_preflight_calibration_baro(const mavlink_message_t &msg) override;
     MAV_RESULT _handle_command_preflight_calibration(const mavlink_command_long_t &packet, const mavlink_message_t &msg) override;