diff --git a/libraries/GCS_MAVLink/GCS_Dummy.cpp b/libraries/GCS_MAVLink/GCS_Dummy.cpp
index 8b70c6c26c664d..f55212d8564e92 100644
--- a/libraries/GCS_MAVLink/GCS_Dummy.cpp
+++ b/libraries/GCS_MAVLink/GCS_Dummy.cpp
@@ -8,6 +8,7 @@
 
 #define FORCE_VERSION_H_INCLUDE
 #include <AP_Common/AP_FWVersionDefine.h>
+#include <AP_CheckFirmware/AP_CheckFirmwareDefine.h>
 #undef FORCE_VERSION_H_INCLUDE
 
 const struct GCS_MAVLINK::stream_entries GCS_MAVLINK::all_stream_entries[] {};