diff --git a/bin/kenv/kenv.c b/bin/kenv/kenv.c
index fe7ec4236bf..b92a443c29d 100644
--- a/bin/kenv/kenv.c
+++ b/bin/kenv/kenv.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c) 2000  Peter Wemm <peter@freebsd.org>
  *
  * Redistribution and use in source and binary forms, with or without