diff --git a/libraries/AP_HAL_ChibiOS/hwdef/revo-mini/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/revo-mini/hwdef.dat
index aa5448f2e9..f876200d22 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/revo-mini/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/revo-mini/hwdef.dat
@@ -122,7 +122,7 @@ define HAL_INS_DEFAULT_ROTATION ROTATION_YAW_180
 define HAL_COMPASS_DEFAULT HAL_COMPASS_HMC5843
 define HAL_COMPASS_HMC5843_I2C_BUS 0
 define HAL_COMPASS_HMC5843_I2C_ADDR 0x1E
-define HAL_COMPASS_HMC5843_ROTATION ROTATION_YAW_90
+define HAL_COMPASS_HMC5843_ROTATION ROTATION_YAW_270
 
 define HAL_BARO_DEFAULT HAL_BARO_MS5611_I2C
 define HAL_BARO_MS5611_I2C_BUS 0