diff --git a/Rover/GCS_Mavlink.cpp b/Rover/GCS_Mavlink.cpp
index eafa969d1e..acfa8699b9 100644
--- a/Rover/GCS_Mavlink.cpp
+++ b/Rover/GCS_Mavlink.cpp
@@ -608,7 +608,7 @@ bool GCS_MAVLINK_Rover::handle_guided_request(AP_Mission::Mission_Command &cmd)
     return rover.mode_guided.set_desired_location(cmd.content.location);
 }
 
-MAV_RESULT GCS_MAVLINK_Rover::_handle_command_preflight_calibration(const mavlink_command_long_t &packet)
+MAV_RESULT GCS_MAVLINK_Rover::_handle_command_preflight_calibration(const mavlink_command_long_t &packet, const mavlink_message_t &msg)
 {
     if (is_equal(packet.param6, 1.0f)) {
         if (rover.g2.windvane.start_direction_calibration()) {
@@ -624,7 +624,7 @@ MAV_RESULT GCS_MAVLINK_Rover::_handle_command_preflight_calibration(const mavlin
         }
     }
 
-    return GCS_MAVLINK::_handle_command_preflight_calibration(packet);
+    return GCS_MAVLINK::_handle_command_preflight_calibration(packet, msg);
 }
 
 bool GCS_MAVLINK_Rover::set_home_to_current_location(bool _lock) {
diff --git a/Rover/GCS_Mavlink.h b/Rover/GCS_Mavlink.h
index 8f1bd02885..028c92f497 100644
--- a/Rover/GCS_Mavlink.h
+++ b/Rover/GCS_Mavlink.h
@@ -15,7 +15,7 @@ protected:
     uint8_t sysid_my_gcs() const override;
     bool sysid_enforce() const override;
 
-    MAV_RESULT _handle_command_preflight_calibration(const mavlink_command_long_t &packet) override;
+    MAV_RESULT _handle_command_preflight_calibration(const mavlink_command_long_t &packet, const mavlink_message_t &msg) override;
     MAV_RESULT handle_command_int_packet(const mavlink_command_int_t &packet) override;
     MAV_RESULT handle_command_long_packet(const mavlink_command_long_t &packet) override;
     MAV_RESULT handle_command_int_do_reposition(const mavlink_command_int_t &packet);