diff --git a/usr.sbin/iscsid/chap.c b/usr.sbin/iscsid/chap.c
index f6b51d72a538..960745fc5723 100644
--- a/usr.sbin/iscsid/chap.c
+++ b/usr.sbin/iscsid/chap.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * Copyright (c) 2014 The FreeBSD Foundation
  * All rights reserved.
  *