diff --git a/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
index fbf3c66c39..ff804d2f47 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/skyviper-v2450/hwdef.dat
@@ -73,7 +73,7 @@ define GPS_MOVING_BASELINE 0
 define GRIPPER_ENABLED 0
 define HAL_ADSB_SAGETECH_ENABLED 0
 define HAL_ADSB_UAVIONIX_MAVLINK_ENABLED 0
-define HAL_AIS_ENABLED 0
+define AP_AIS_ENABLED 0
 define AP_BATTMON_FUEL_ENABLE 0
 define HAL_BATTMON_INA2XX_ENABLED 0
 define AP_BATTMON_SMBUS_ENABLE 0