diff --git a/libraries/AP_Vehicle/AP_Vehicle.h b/libraries/AP_Vehicle/AP_Vehicle.h
index 99b545684f..889994bc16 100644
--- a/libraries/AP_Vehicle/AP_Vehicle.h
+++ b/libraries/AP_Vehicle/AP_Vehicle.h
@@ -35,6 +35,7 @@ public:
         AP_Int8 takeoff_throttle_max;
         AP_Int16 airspeed_min;
         AP_Int16 airspeed_max;
+        AP_Int16 roll_limit_cd;
         AP_Int16 pitch_limit_max_cd;
         AP_Int16 pitch_limit_min_cd;        
         AP_Int8  autotune_level;