diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index 0e830a17fc19..ae49f4ba50d9 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -753,6 +753,7 @@ static int ad7606_write_raw(struct iio_dev *indio_dev,
 		ret = st->write_os(indio_dev, i);
 		if (ret < 0)
 			return ret;
+		st->oversampling = st->oversampling_avail[i];
 
 		return 0;
 	case IIO_CHAN_INFO_SAMP_FREQ: