diff --git a/drivers/watchdog/max77620_wdt.c b/drivers/watchdog/max77620_wdt.c
index 68c41fa2be27bde7fdea632bdc72840b8de61fcf..2c9f53eaff4f576312837c83d18c3357d45ad096 100644
--- a/drivers/watchdog/max77620_wdt.c
+++ b/drivers/watchdog/max77620_wdt.c
@@ -201,7 +201,7 @@ static int max77620_wdt_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct platform_device_id max77620_wdt_devtype[] = {
+static const struct platform_device_id max77620_wdt_devtype[] = {
 	{ .name = "max77620-watchdog", },
 	{ },
 };