diff --git a/drivers/watchdog/zx2967_wdt.c b/drivers/watchdog/zx2967_wdt.c
index c98252733c306..69ec5855584b1 100644
--- a/drivers/watchdog/zx2967_wdt.c
+++ b/drivers/watchdog/zx2967_wdt.c
@@ -154,7 +154,7 @@ static const struct watchdog_info zx2967_wdt_ident = {
 	.identity         =	"zx2967 watchdog",
 };
 
-static struct watchdog_ops zx2967_wdt_ops = {
+static const struct watchdog_ops zx2967_wdt_ops = {
 	.owner = THIS_MODULE,
 	.start = zx2967_wdt_start,
 	.stop = zx2967_wdt_stop,