diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c
index d3363d02f292..ca432c49eab1 100644
--- a/drivers/iio/adc/ti-ads1015.c
+++ b/drivers/iio/adc/ti-ads1015.c
@@ -456,7 +456,7 @@ static irqreturn_t ads1015_trigger_handler(int irq, void *p)
 
 	mutex_lock(&data->lock);
 	chan = find_first_bit(indio_dev->active_scan_mask,
-			      indio_dev->masklength);
+			      iio_get_masklength(indio_dev));
 	ret = ads1015_get_adc_result(data, chan, &res);
 	if (ret < 0) {
 		mutex_unlock(&data->lock);