diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index f54b1d5fc234eae0bcc3313d7709c5e3b8c619e0..853db7a08a26bb27e7d7d219262e5974cc312f39 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -266,6 +266,8 @@ static void handle_tx(struct vhost_net *net)
 				 " len %d != %zd\n", err, len);
 		if (!zcopy)
 			vhost_add_used_and_signal(&net->dev, vq, head, 0);
+		else
+			vhost_zerocopy_signal_used(vq);
 		total_len += len;
 		if (unlikely(total_len >= VHOST_NET_WEIGHT)) {
 			vhost_poll_queue(&vq->poll);