diff --git a/drivers/iio/adc/xilinx-xadc-core.c b/drivers/iio/adc/xilinx-xadc-core.c
index fd2745c629436f6fa51c15a851c6b7ace8d14400..626b397497670a7c76cd2241370503df4c0afb09 100644
--- a/drivers/iio/adc/xilinx-xadc-core.c
+++ b/drivers/iio/adc/xilinx-xadc-core.c
@@ -1126,7 +1126,7 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, struct device_node *np,
 				chan->address = XADC_REG_VPVN;
 			} else {
 				chan->scan_index = 15 + reg;
-				chan->scan_index = XADC_REG_VAUX(reg - 1);
+				chan->address = XADC_REG_VAUX(reg - 1);
 			}
 			num_channels++;
 			chan++;