diff --git a/libraries/AP_Mount/AP_Mount_config.h b/libraries/AP_Mount/AP_Mount_config.h
index f40a39cd05..c7b063b20e 100644
--- a/libraries/AP_Mount/AP_Mount_config.h
+++ b/libraries/AP_Mount/AP_Mount_config.h
@@ -1,7 +1,7 @@
 #pragma once
 
 #include <AP_HAL/AP_HAL_Boards.h>
-#include <AP_Terrain/AP_Terrain.h>
+#include <AP_Terrain/AP_Terrain_config.h>
 
 #ifndef HAL_MOUNT_ENABLED
 #define HAL_MOUNT_ENABLED 1