diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CubeOrangePlus/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/CubeOrangePlus/hwdef.dat
index 707d5eff48..0c6523eeb3 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CubeOrangePlus/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CubeOrangePlus/hwdef.dat
@@ -27,6 +27,17 @@ undef CHECK_IMU2_PRESENT
 undef CHECK_ICM20649
 undef BOARD_VALIDATE
 undef IMU
+undef I2C_ORDER
+
+PF14 I2C4_SCL I2C4
+PF15 I2C4_SDA I2C4
+
+define HAL_SKIP_AUTO_INTERNAL_I2C_PROBE
+define HAL_I2C_INTERNAL_MASK 4
+
+I2C_ORDER I2C2 I2C1 I2C4
+
+COMPASS AK09916 I2C:2:0x0C false ROTATION_ROLL_180_YAW_225
 
 PG1 ICM45686_CS CS