diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 2c6c2bd6e4a994a5942576601afe79404d0d325b..25c21332e9c3d45f37ee3cc019e55d45b04a60f8 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -321,7 +321,7 @@ static int register_vlan_device(struct net_device *real_dev, u16 vlan_id)
 	if (new_dev == NULL)
 		return -ENOBUFS;
 
-	new_dev->real_num_tx_queues = real_dev->real_num_tx_queues;
+	netif_copy_real_num_queues(new_dev, real_dev);
 	dev_net_set(new_dev, net);
 	/* need 4 bytes for extra VLAN header info,
 	 * hope the underlying device can handle it.