diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
index bfe180a475ee..bf76a8620bdb 100644
--- a/drivers/staging/iio/adc/ad7816.c
+++ b/drivers/staging/iio/adc/ad7816.c
@@ -254,7 +254,7 @@ static const struct attribute_group ad7816_attribute_group = {
 static irqreturn_t ad7816_event_handler(int irq, void *private)
 {
 	iio_push_event(private, IIO_EVENT_CODE_AD7816_OTI,
-		       iio_get_time_ns((struct iio_dev *)private));
+		       iio_get_time_ns(private));
 	return IRQ_HANDLED;
 }