diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Here4AP/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/Here4AP/hwdef.dat
index bfc89616e3..3a2959b133 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Here4AP/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Here4AP/hwdef.dat
@@ -110,7 +110,6 @@ BARO MS56XX SPI:ms5611
 PB8 TIM4_CH3 TIM4 PWM(1)
 PB9 TIM4_CH4 TIM4 PWM(2)
 
-
 define GPS_MAX_RECEIVERS 1
 define GPS_MAX_INSTANCES 1
 define HAL_COMPASS_MAX_SENSORS 1
@@ -132,6 +131,7 @@ define HAL_PERIPH_GPS_PORT_DEFAULT 3
 # for ProfiLed we need RC out and notify
 define HAL_PERIPH_ENABLE_RC_OUT
 define HAL_PERIPH_ENABLE_NOTIFY
+define AP_SERIALLED_ENABLED 1
 
 define HAL_SERIAL_ESC_COMM_ENABLED 1
 define HAL_RCIN_THREAD_ENABLED 1