diff --git a/drivers/iio/adc/pac1921.c b/drivers/iio/adc/pac1921.c
index 68bdd2f30bad..f0bab94462f4 100644
--- a/drivers/iio/adc/pac1921.c
+++ b/drivers/iio/adc/pac1921.c
@@ -1037,7 +1037,7 @@ static irqreturn_t pac1921_trigger_handler(int irq, void *p)
 	iio_for_each_active_channel(idev, bit) {
 		u16 val;
 
-		ret = pac1921_read_res(priv, idev->channels[ch].address, &val);
+		ret = pac1921_read_res(priv, idev->channels[bit].address, &val);
 		if (ret)
 			goto done;