diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index b4902ab64abe99ba48e893f609a86b8b27295d46..57fe446fabce85601d458a65761783232c7cfbb0 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2620,6 +2620,8 @@ static int _regulator_get_voltage(struct regulator_dev *rdev)
 		ret = rdev->desc->ops->list_voltage(rdev, 0);
 	} else if (rdev->desc->fixed_uV && (rdev->desc->n_voltages == 1)) {
 		ret = rdev->desc->fixed_uV;
+	} else if (rdev->supply) {
+		ret = regulator_get_voltage(rdev->supply);
 	} else {
 		return -EINVAL;
 	}