diff --git a/libraries/AP_Compass/AP_Compass_Backend.h b/libraries/AP_Compass/AP_Compass_Backend.h
index 95b5976a18..8636f98258 100644
--- a/libraries/AP_Compass/AP_Compass_Backend.h
+++ b/libraries/AP_Compass/AP_Compass_Backend.h
@@ -19,12 +19,13 @@
  */
 #pragma once
 
-#include "AP_Compass.h"
-
+#include <AP_MSP/msp.h>
 #ifndef HAL_MSP_COMPASS_ENABLED
 #define HAL_MSP_COMPASS_ENABLED HAL_MSP_SENSORS_ENABLED
 #endif
 
+#include "AP_Compass.h"
+
 class Compass;  // forward declaration
 class AP_Compass_Backend
 {