diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index df746ba5c1bc..6dd698b2d0af 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -980,7 +980,7 @@ static int drms_uA_update(struct regulator_dev *rdev)
 		/* get input voltage */
 		input_uV = 0;
 		if (rdev->supply)
-			input_uV = regulator_get_voltage(rdev->supply);
+			input_uV = regulator_get_voltage_rdev(rdev->supply->rdev);
 		if (input_uV <= 0)
 			input_uV = rdev->constraints->input_uV;
 		if (input_uV <= 0) {