diff --git a/ArduPlane/GCS_Mavlink.cpp b/ArduPlane/GCS_Mavlink.cpp
index 9427b99e0cdac9..3715776f77ab64 100644
--- a/ArduPlane/GCS_Mavlink.cpp
+++ b/ArduPlane/GCS_Mavlink.cpp
@@ -1095,6 +1095,7 @@ MAV_RESULT GCS_MAVLINK_Plane::handle_command_DO_CHANGE_SPEED(const mavlink_comma
 }
 
 #if HAL_QUADPLANE_ENABLED
+#if AP_MAVLINK_COMMAND_LONG_ENABLED
 void GCS_MAVLINK_Plane::convert_MAV_CMD_NAV_TAKEOFF_to_COMMAND_INT(const mavlink_command_long_t &in, mavlink_command_int_t &out)
 {
     // convert to MAV_FRAME_LOCAL_OFFSET_NED, "NED local tangent frame
@@ -1115,7 +1116,6 @@ void GCS_MAVLINK_Plane::convert_MAV_CMD_NAV_TAKEOFF_to_COMMAND_INT(const mavlink
     out.z = -in.param7;  // up -> down
 }
 
-#if AP_MAVLINK_COMMAND_LONG_ENABLED
 void GCS_MAVLINK_Plane::convert_COMMAND_LONG_to_COMMAND_INT(const mavlink_command_long_t &in, mavlink_command_int_t &out, MAV_FRAME frame)
 {
     switch (in.command) {