diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index fcd8aea7152e..4cb63ab4768a 100644
--- a/drivers/iio/adc/ad7768-1.c
+++ b/drivers/iio/adc/ad7768-1.c
@@ -463,12 +463,17 @@ static int ad7768_scan_direct(struct iio_dev *indio_dev)
 	struct ad7768_state *st = iio_priv(indio_dev);
 	int readval, ret;
 
-	reinit_completion(&st->completion);
-
 	ret = ad7768_set_mode(st, AD7768_ONE_SHOT);
 	if (ret < 0)
 		return ret;
 
+	reinit_completion(&st->completion);
+
+	/* One-shot mode requires a SYNC pulse to generate a new sample */
+	ret = ad7768_send_sync_pulse(st);
+	if (ret)
+		return ret;
+
 	ret = wait_for_completion_timeout(&st->completion,
 					  msecs_to_jiffies(1000));
 	if (!ret)