diff --git a/lib/libc/string/strstr.c b/lib/libc/string/strstr.c
index ce06db11f16..2ca0d4fd03c 100644
--- a/lib/libc/string/strstr.c
+++ b/lib/libc/string/strstr.c
@@ -1,5 +1,5 @@
 /*-
- * SPDX-License-Identifier: BSD-3-Clause
+ * SPDX-License-Identifier: MIT
  *
  * Copyright (c) 2005-2014 Rich Felker, et al.
  *