diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 98ddc323add011fe84e45abc4f8902ce9e7f09af..0cf5f8e06cfcc6b6bc8c059871e153a391cbd122 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -451,7 +451,7 @@ static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
 	int ret;
 
 	ret = iio_channel_read(chan, &offset, NULL, IIO_CHAN_INFO_OFFSET);
-	if (ret == 0)
+	if (ret >= 0)
 		raw64 += offset;
 
 	scale_type = iio_channel_read(chan, &scale_val, &scale_val2,