diff --git a/drivers/input/tablet/wacom_serial4.c b/drivers/input/tablet/wacom_serial4.c
index 20ab802461e7..38bfaca48eab 100644
--- a/drivers/input/tablet/wacom_serial4.c
+++ b/drivers/input/tablet/wacom_serial4.c
@@ -594,7 +594,7 @@ static int wacom_connect(struct serio *serio, struct serio_driver *drv)
 	return err;
 }
 
-static struct serio_device_id wacom_serio_ids[] = {
+static const struct serio_device_id wacom_serio_ids[] = {
 	{
 		.type	= SERIO_RS232,
 		.proto	= SERIO_WACOM_IV,