diff --git a/drivers/regulator/tps51632-regulator.c b/drivers/regulator/tps51632-regulator.c
index dce5eb3fa706b40706a8d5988bb8e4857c5f8a47..7c4e8a6e1d5da1f6eb37c4fe8301099eadf46386 100644
--- a/drivers/regulator/tps51632-regulator.c
+++ b/drivers/regulator/tps51632-regulator.c
@@ -122,7 +122,7 @@ static int tps51632_dcdc_set_voltage_sel(struct regulator_dev *rdev,
 	if (selector > TPS51632_MAX_VSEL)
 		return -EINVAL;
 
-	ret = regmap_write(tps->regmap, TPS51632_VOLTAGE_SELECT_REG, selector);
+	ret = regmap_write(tps->regmap, reg, selector);
 	if (ret < 0)
 		dev_err(tps->dev, "reg write failed, err %d\n", ret);
 	return ret;