diff --git a/[refs] b/[refs]
index 76ead5d4aa1f..358b38e4631c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4d125de3a5d130054df2285e542c1491d214d3e8
+refs/heads/master: 1bc4953ed44454c7f53d0b609445d1534981ee75
diff --git a/trunk/drivers/virtio/virtio_ring.c b/trunk/drivers/virtio/virtio_ring.c
index 0e4baca21b8f..0e1bf053d8cd 100644
--- a/trunk/drivers/virtio/virtio_ring.c
+++ b/trunk/drivers/virtio/virtio_ring.c
@@ -53,7 +53,7 @@ struct vring_virtqueue
 	unsigned int num_added;
 
 	/* Last used index we've seen. */
-	unsigned int last_used_idx;
+	u16 last_used_idx;
 
 	/* How to notify other side. FIXME: commonalize hcalls! */
 	void (*notify)(struct virtqueue *vq);