diff --git a/ui/vgafont.c b/ui/vgafont.c
index 708c845a6b..b9b9a7016f 100644
--- a/ui/vgafont.c
+++ b/ui/vgafont.c
@@ -1,3 +1,6 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 #include "vgafont.h"
 
 const uint8_t vgafont16[256 * 16] = {
diff --git a/ui/vgafont.h b/ui/vgafont.h
index 4498ac4e07..54aeeb7d19 100644
--- a/ui/vgafont.h
+++ b/ui/vgafont.h
@@ -1,3 +1,6 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 #ifndef VGAFONT_H
 #define VGAFONT_H