diff --git a/drivers/iio/dac/cio-dac.c b/drivers/iio/dac/cio-dac.c
index 81677795e57a..080a3721874d 100644
--- a/drivers/iio/dac/cio-dac.c
+++ b/drivers/iio/dac/cio-dac.c
@@ -66,8 +66,8 @@ static int cio_dac_write_raw(struct iio_dev *indio_dev,
 	if (mask != IIO_CHAN_INFO_RAW)
 		return -EINVAL;
 
-	/* DAC can only accept up to a 16-bit value */
-	if ((unsigned int)val > 65535)
+	/* DAC can only accept up to a 12-bit value */
+	if ((unsigned int)val > 4095)
 		return -EINVAL;
 
 	priv->chan_out_states[chan->channel] = val;