diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index 9e90e969af55..ac4f762c4f65 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -115,7 +115,7 @@ static int vhost_test_open(struct inode *inode, struct file *f)
 	dev = &n->dev;
 	vqs[VHOST_TEST_VQ] = &n->vqs[VHOST_TEST_VQ];
 	n->vqs[VHOST_TEST_VQ].handle_kick = handle_vq_kick;
-	vhost_dev_init(dev, vqs, VHOST_TEST_VQ_MAX);
+	vhost_dev_init(dev, vqs, VHOST_TEST_VQ_MAX, UIO_MAXIOV);
 
 	f->private_data = n;