diff --git a/source4/heimdal_build/config.h b/source4/heimdal_build/config.h
index 81bda22cf96..7a51def3c61 100644
--- a/source4/heimdal_build/config.h
+++ b/source4/heimdal_build/config.h
@@ -9,7 +9,7 @@
 #include "include/config.h"
 #include "lib/replace/replace.h"
 
-#define RCSID(msg)
+#define RCSID(msg) struct __rcsid { int __rcsdi; }
 #define KRB5
 
 /* This needs to be defined for roken too */