diff --git a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef-bl.dat b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef-bl.dat
index 5d2f999fd0..8650462ee6 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef-bl.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/KakuteF4/hwdef-bl.dat
@@ -18,6 +18,9 @@ FLASH_RESERVE_START_KB 0
 PB5 LED_BOOTLOADER OUTPUT LOW
 define HAL_LED_ON 0
 
+# Avoid buzzer scream
+PD15 BUZZER OUTPUT LOW PULLDOWN
+
 # the location where the bootloader will put the firmware
 FLASH_BOOTLOADER_LOAD_KB 64