diff --git a/Tools/scripts/build_options.py b/Tools/scripts/build_options.py
index 765f3be88e2d5..a69a8e20ae1ee 100644
--- a/Tools/scripts/build_options.py
+++ b/Tools/scripts/build_options.py
@@ -160,6 +160,7 @@ def config_option(self):
     Feature('Copter', 'COPTER_ADVANCED_FAILSAFE', 'AP_COPTER_ADVANCED_FAILSAFE_ENABLED', 'Enable Advanced Failsafe', 0, "ADVANCED_FAILSAFE"),  # NOQA: 501
 
     Feature('Rover', 'ROVER_ADVANCED_FAILSAFE', 'AP_ROVER_ADVANCED_FAILSAFE_ENABLED', 'Enable Advanced Failsafe', 0, "ADVANCED_FAILSAFE"),  # NOQA: 501
+    Feature('Rover', 'ROVER_AUTO_ARM_ONCE', 'AP_ROVER_AUTO_ARM_ONCE_ENABLED', 'Make Auto-Arm-Once functionality available', 0, None),  # NOQA: 501
 
     Feature('Mission', 'MISSION_NAV_PAYLOAD_PLACE', 'AP_MISSION_NAV_PAYLOAD_PLACE_ENABLED', 'Enable NAV_PAYLOAD_PLACE', 0, None),  # noqa
     Feature('Copter', 'AC_PAYLOAD_PLACE_ENABLED', 'AC_PAYLOAD_PLACE_ENABLED', 'Enable Copter Payload Place', 0, 'MISSION_NAV_PAYLOAD_PLACE'),  # noqa