diff --git a/drivers/media/dvb-frontends/it913x-fe.c b/drivers/media/dvb-frontends/it913x-fe.c
index 708cbf197913..6e1c6eb340b7 100644
--- a/drivers/media/dvb-frontends/it913x-fe.c
+++ b/drivers/media/dvb-frontends/it913x-fe.c
@@ -199,7 +199,7 @@ static int it913x_init_tuner(struct it913x_fe_state *state)
 
 	if (reg < 0)
 		return -ENODEV;
-	else if (reg < sizeof(nv))
+	else if (reg < ARRAY_SIZE(nv))
 		nv_val = nv[reg];
 	else
 		nv_val = 2;