diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CarbonixF405/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/CarbonixF405/hwdef.dat
index 2849e1e3bb..6bfaadd6db 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CarbonixF405/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CarbonixF405/hwdef.dat
@@ -137,6 +137,8 @@ define HAL_PERIPH_ADSB_BAUD_DEFAULT 57600
 BARO MS56XX I2C:0:0x76
 COMPASS MMC5XX3 I2C:0:0x30 false ROTATION_NONE
 
+define AP_COMPASS_QMC5883P_ENABLED 1
+COMPASS QMC5883P I2C:0:0x2C false ROTATION_YAW_180