diff --git a/libraries/AP_EFI/AP_EFI_Backend.h b/libraries/AP_EFI/AP_EFI_Backend.h
index 3f637dba3f..16029a9496 100644
--- a/libraries/AP_EFI/AP_EFI_Backend.h
+++ b/libraries/AP_EFI/AP_EFI_Backend.h
@@ -17,6 +17,7 @@
 #include "AP_EFI.h"
 #include "AP_EFI_State.h"
 #include <AP_HAL/Semaphores.h>
+#include <AP_Scripting/AP_Scripting_config.h>
 
 class AP_EFI; //forward declaration