diff --git a/src/network/netdev/vxcan.c b/src/network/netdev/vxcan.c
index 3d7e7dcf2c..7cae934f62 100644
--- a/src/network/netdev/vxcan.c
+++ b/src/network/netdev/vxcan.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
diff --git a/src/network/netdev/wireguard.c b/src/network/netdev/wireguard.c
index 00167262a0..a1c1c2a51f 100644
--- a/src/network/netdev/wireguard.c
+++ b/src/network/netdev/wireguard.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.