diff --git a/sys/dev/pci/if_vioif.c b/sys/dev/pci/if_vioif.c
index be4ca673e8ef..5b94c369b78d 100644
--- a/sys/dev/pci/if_vioif.c
+++ b/sys/dev/pci/if_vioif.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: if_vioif.c,v 1.22 2016/02/09 08:32:11 ozaki-r Exp $	*/
+/*	$NetBSD: if_vioif.c,v 1.23 2016/05/17 10:05:31 pooka Exp $	*/
 
 /*
  * Copyright (c) 2010 Minoura Makoto.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_vioif.c,v 1.22 2016/02/09 08:32:11 ozaki-r Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_vioif.c,v 1.23 2016/05/17 10:05:31 pooka Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_net_mpsafe.h"
@@ -1116,6 +1116,7 @@ vioif_tx_vq_done(struct virtqueue *vq)
 {
 	struct virtio_softc *vsc = vq->vq_owner;
 	struct vioif_softc *sc = device_private(vsc->sc_child);
+	struct ifnet *ifp = &sc->sc_ethercom.ec_if;
 	int r = 0;
 
 	VIOIF_TX_LOCK(sc);
@@ -1127,6 +1128,8 @@ vioif_tx_vq_done(struct virtqueue *vq)
 
 out:
 	VIOIF_TX_UNLOCK(sc);
+	if (r)
+		vioif_start(ifp);
 	return r;
 }