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-rw-r--r--tests/qtest/libqos/virtio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tests/qtest/libqos/virtio.c b/tests/qtest/libqos/virtio.c
index 4f39124eba..82a6e122bf 100644
--- a/tests/qtest/libqos/virtio.c
+++ b/tests/qtest/libqos/virtio.c
@@ -265,7 +265,7 @@ void qvring_init(QTestState *qts, const QGuestAllocator *alloc, QVirtQueue *vq,
     /* vq->used->idx */
     qvirtio_writew(vq->vdev, qts, vq->used + 2, 0);
     /* vq->used->avail_event */
-    qvirtio_writew(vq->vdev, qts, vq->used + 2 +
+    qvirtio_writew(vq->vdev, qts, vq->used + 4 +
                    sizeof(struct vring_used_elem) * vq->size, 0);
 }