diff --git a/drivers/rtc/rtc-hym8563.c b/drivers/rtc/rtc-hym8563.c
index e5f13c4310fe..e3290abbb03e 100644
--- a/drivers/rtc/rtc-hym8563.c
+++ b/drivers/rtc/rtc-hym8563.c
@@ -585,7 +585,7 @@ static const struct i2c_device_id hym8563_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, hym8563_id);
 
-static struct of_device_id hym8563_dt_idtable[] = {
+static const struct of_device_id hym8563_dt_idtable[] = {
 	{ .compatible = "haoyu,hym8563" },
 	{},
 };