diff --git a/drivers/iio/dac/ad5504.c b/drivers/iio/dac/ad5504.c
index c64e6898ff20..d1ffc8cb08ed 100644
--- a/drivers/iio/dac/ad5504.c
+++ b/drivers/iio/dac/ad5504.c
@@ -188,9 +188,9 @@ static ssize_t ad5504_write_dac_powerdown(struct iio_dev *indio_dev,
 		return ret;
 
 	if (pwr_down)
-		st->pwr_down_mask |= (1 << chan->channel);
-	else
 		st->pwr_down_mask &= ~(1 << chan->channel);
+	else
+		st->pwr_down_mask |= (1 << chan->channel);
 
 	ret = ad5504_spi_write(st, AD5504_ADDR_CTRL,
 				AD5504_DAC_PWRDWN_MODE(st->pwr_down_mode) |