diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef.dat
index 0ec5070690e..1364ff0a5c2 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef.dat
@@ -83,7 +83,7 @@ PA10 USART1_RX USART1
 # USART3 for rcinput
 #PB10 USART3_TX USART3
 #PB11 USART3_RX USART3
-PB15 SBUS_INVERT OUTPUT HIGH
+PB15 SBUS_INVERT OUTPUT LOW
 
 # USART6
 #PC6 USART6_TX USART6