diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index b9a74425ff75987800344fdf4a3ca335acb50969..0a1bc6a31d026b49b3cea54c731eb1c319175733 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -754,7 +754,7 @@ static ssize_t ad7192_set(struct device *dev,
 		else
 			st->mode &= ~AD7192_MODE_ACX;
 
-		ad7192_write_reg(st, AD7192_REG_GPOCON, 3, st->mode);
+		ad7192_write_reg(st, AD7192_REG_MODE, 3, st->mode);
 		break;
 	default:
 		ret = -EINVAL;