diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index e3fa65a..ac53a73 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -819,7 +819,7 @@
 	skb_tx_error(skb);
 	kfree_skb(skb);
 	rcu_read_unlock();
-	return NETDEV_TX_OK;
+	return NET_XMIT_DROP;
 }
 
 static void tun_net_mclist(struct net_device *dev)