diff --git a/usr.sbin/bhyve/amd64/atkbdc.h b/usr.sbin/bhyve/amd64/atkbdc.h
index 05d28d81912..b1270e39973 100644
--- a/usr.sbin/bhyve/amd64/atkbdc.h
+++ b/usr.sbin/bhyve/amd64/atkbdc.h
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause
+ *
  * Copyright (c) 2015 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
  * All rights reserved.
  *