diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index d2fe0269b6d3af6b083c1b5d9db5d1eb9ee8b814..34e06e2e51d625cd02996b9839a64cbf22d4f3ce 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -643,7 +643,7 @@ static int ad7124_write_raw(struct iio_dev *indio_dev,
 
 	switch (info) {
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		if (val2 != 0) {
+		if (val2 != 0 || val == 0) {
 			ret = -EINVAL;
 			break;
 		}