diff --git a/drivers/iio/adc/ade9000.c b/drivers/iio/adc/ade9000.c
index c62c6480dd0a..945a159e5de6 100644
--- a/drivers/iio/adc/ade9000.c
+++ b/drivers/iio/adc/ade9000.c
@@ -1123,7 +1123,7 @@ static int ade9000_write_raw(struct iio_dev *indio_dev,
 			tmp &= ~ADE9000_PHASE_C_POS_BIT;
 
 			switch (tmp) {
-			case ADE9000_REG_AWATTOS:
+			case ADE9000_REG_AWATT:
 				return regmap_write(st->regmap,
 						    ADE9000_ADDR_ADJUST(ADE9000_REG_AWATTOS,
 									chan->channel), val);