diff --git a/sys/tools/fw_stub.awk b/sys/tools/fw_stub.awk
index 5f6fe4521481..05e2f32ec974 100644
--- a/sys/tools/fw_stub.awk
+++ b/sys/tools/fw_stub.awk
@@ -121,7 +121,11 @@ ctmpfilename = cfilename ".tmp";
 modname = opt_m;
 gsub(/[-\.]/, "_", modname);
 
-printc("#include <sys/param.h>\
+printc("/*\
+ * Automatically generated by:\
+ * $FreeBSD$\
+ */\
+#include <sys/param.h>\
 #include <sys/errno.h>\
 #include <sys/kernel.h>\
 #include <sys/module.h>\