diff --git a/sys/net/if_media.c b/sys/net/if_media.c
index 390d48ab13a4..2d1f8c917238 100644
--- a/sys/net/if_media.c
+++ b/sys/net/if_media.c
@@ -1,5 +1,4 @@
 /*	$NetBSD: if_media.c,v 1.1 1997/03/17 02:55:15 thorpej Exp $	*/
-/* $FreeBSD$ */
 
 /*-
  * SPDX-License-Identifier: BSD-4-Clause
@@ -48,6 +47,9 @@
  * to implement this interface.
  */
 
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
 #include "opt_ifmedia.h"
 
 #include <sys/param.h>