diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index e283f2f2ee2fb89eadef04aebd198e1e0bc0ea7e..360259266d4f47a70702638c5a08d3d7779dca68 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -1560,7 +1560,7 @@ static int max1363_probe(struct i2c_client *client,
 	st->client = client;
 
 	st->vref_uv = st->chip_info->int_vref_mv * 1000;
-	vref = devm_regulator_get(&client->dev, "vref");
+	vref = devm_regulator_get_optional(&client->dev, "vref");
 	if (!IS_ERR(vref)) {
 		int vref_uv;