diff --git a/hw/usb/canokey.c b/hw/usb/canokey.c
index bbc5da0..b306eeb 100644
--- a/hw/usb/canokey.c
+++ b/hw/usb/canokey.c
@@ -4,7 +4,7 @@
  * Copyright (c) 2021-2022 Canokeys.org <contact@canokeys.org>
  * Written by Hongren (Zenithal) Zheng <i@zenithal.me>
  *
- * This code is licensed under the Apache-2.0.
+ * This code is licensed under the GPL v2 or later.
  */
 
 #include "qemu/osdep.h"
diff --git a/hw/usb/canokey.h b/hw/usb/canokey.h
index 24cf304..e528889 100644
--- a/hw/usb/canokey.h
+++ b/hw/usb/canokey.h
@@ -4,7 +4,7 @@
  * Copyright (c) 2021-2022 Canokeys.org <contact@canokeys.org>
  * Written by Hongren (Zenithal) Zheng <i@zenithal.me>
  *
- * This code is licensed under the Apache-2.0.
+ * This code is licensed under the GPL v2 or later.
  */
 
 #ifndef CANOKEY_H