diff --git a/libraries/AP_Vehicle/AP_FixedWing.h b/libraries/AP_Vehicle/AP_FixedWing.h
index 8135a7d1603520..a3007eef96f8d3 100644
--- a/libraries/AP_Vehicle/AP_FixedWing.h
+++ b/libraries/AP_Vehicle/AP_FixedWing.h
@@ -56,5 +56,6 @@ struct AP_FixedWing {
     // Bitfields of TKOFF_OPTIONS
     enum class TakeoffOption {
         THROTTLE_RANGE          = (1U << 0), // Unset: Max throttle. Set: Throttle range.
+        AUTOLAND_DIR_ON_ARM     = (1U << 1), // use valid compass heading at arm for autoland direction.
     };
 };