diff --git a/ArduSub/version.h b/ArduSub/version.h
index b163a7bf69..336c2815e5 100644
--- a/ArduSub/version.h
+++ b/ArduSub/version.h
@@ -16,4 +16,5 @@
 #define FW_PATCH 0
 #define FW_TYPE FIRMWARE_VERSION_TYPE_DEV
 
-#include <AP_Common/AP_FWVersionDefine.h>
\ No newline at end of file
+#include <AP_Common/AP_FWVersionDefine.h>
+#include <AP_CheckFirmware/AP_CheckFirmwareDefine.h>