diff --git a/drivers/iio/adc/ad7606_par.c b/drivers/iio/adc/ad7606_par.c
index 634852c4bbd2..b81e707ab40c 100644
--- a/drivers/iio/adc/ad7606_par.c
+++ b/drivers/iio/adc/ad7606_par.c
@@ -43,7 +43,8 @@ static int ad7606_par_bus_setup_iio_backend(struct device *dev,
 					    struct iio_dev *indio_dev)
 {
 	struct ad7606_state *st = iio_priv(indio_dev);
-	unsigned int ret, c;
+	unsigned int c;
+	int ret;
 	struct iio_backend_data_fmt data = {
 		.sign_extend = true,
 		.enable = true,