diff --git a/libraries/AP_Compass/Compass.h b/libraries/AP_Compass/Compass.h
index 312f0172e4..2144234c9a 100644
--- a/libraries/AP_Compass/Compass.h
+++ b/libraries/AP_Compass/Compass.h
@@ -54,8 +54,8 @@
 
 // default compass device ids for each board type to most common set-up to reduce eeprom usage
 #if CONFIG_HAL_BOARD == HAL_BOARD_PX4
-# define COMPASS_EXPECTED_DEV_ID  0x011E0101    // external hmc5883
-# define COMPASS_EXPECTED_DEV_ID2 0x02020102    // internal ldm303d
+# define COMPASS_EXPECTED_DEV_ID  73225 // external hmc5883
+# define COMPASS_EXPECTED_DEV_ID2 -1    // internal ldm303d
 # define COMPASS_EXPECTED_DEV_ID3 0
 #elif CONFIG_HAL_BOARD == HAL_BOARD_LINUX
 # define COMPASS_EXPECTED_DEV_ID  0