diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index 2976c62b58c0..ad8b8ce58e37 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -844,8 +844,6 @@ static int ad7124_of_parse_channel_config(struct iio_dev *indio_dev,
 	st->channels = channels;
 
 	for_each_available_child_of_node(np, child) {
-		cfg = &st->channels[channel].cfg;
-
 		ret = of_property_read_u32(child, "reg", &channel);
 		if (ret)
 			goto err;
@@ -866,6 +864,7 @@ static int ad7124_of_parse_channel_config(struct iio_dev *indio_dev,
 		st->channels[channel].ain = AD7124_CHANNEL_AINP(ain[0]) |
 						  AD7124_CHANNEL_AINM(ain[1]);
 
+		cfg = &st->channels[channel].cfg;
 		cfg->bipolar = of_property_read_bool(child, "bipolar");
 
 		ret = of_property_read_u32(child, "adi,reference-select", &tmp);