diff --git a/[refs] b/[refs]
index 4f41bc4589a3..9e3fb513632d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: c3a05c6050a339c92e49fae0ba77dbba0d41fd99
+refs/heads/master: 50c4817e9919132639be0adc387b509e04a9ed0a
diff --git a/trunk/net/ipv4/tcp_output.c b/trunk/net/ipv4/tcp_output.c
index 98835afb8d8a..c2aa4688dae6 100644
--- a/trunk/net/ipv4/tcp_output.c
+++ b/trunk/net/ipv4/tcp_output.c
@@ -1342,7 +1342,6 @@ static int tcp_mtu_probe(struct sock *sk)
 	sk_charge_skb(sk, nskb);
 
 	skb = tcp_send_head(sk);
-	tcp_insert_write_queue_before(nskb, skb, sk);
 
 	TCP_SKB_CB(nskb)->seq = TCP_SKB_CB(skb)->seq;
 	TCP_SKB_CB(nskb)->end_seq = TCP_SKB_CB(skb)->seq + probe_size;
@@ -1351,6 +1350,8 @@ static int tcp_mtu_probe(struct sock *sk)
 	nskb->csum = 0;
 	nskb->ip_summed = skb->ip_summed;
 
+	tcp_insert_write_queue_before(nskb, skb, sk);
+
 	len = 0;
 	while (len < probe_size) {
 		next = tcp_write_queue_next(sk, skb);