diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CUAV_GPS/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/CUAV_GPS/hwdef.dat
index 4d59ab434e..acb771bb7c 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CUAV_GPS/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CUAV_GPS/hwdef.dat
@@ -152,3 +152,6 @@ define HAL_PERIPH_ENABLE_BARO
 # startup
 define HAL_PERIPH_NEOPIXEL_CHAN_WITHOUT_NOTIFY 0
 define HAL_PERIPH_NEOPIXEL_COUNT_WITHOUT_NOTIFY 8
+
+# also enable buzzer
+define HAL_PERIPH_ENABLE_BUZZER_WITHOUT_NOTIFY 1