diff --git a/drivers/staging/iio/dac/ad5504.c b/drivers/staging/iio/dac/ad5504.c
index 1915f459868b..88512dd6450f 100644
--- a/drivers/staging/iio/dac/ad5504.c
+++ b/drivers/staging/iio/dac/ad5504.c
@@ -338,7 +338,7 @@ static int __devinit ad5504_probe(struct spi_device *spi)
 	iio_free_device(indio_dev);
 error_disable_reg:
 	if (!IS_ERR(reg))
-		regulator_disable(st->reg);
+		regulator_disable(reg);
 error_put_reg:
 	if (!IS_ERR(reg))
 		regulator_put(reg);