diff --git a/include/net/tcp.h b/include/net/tcp.h
index 09b8ad173a9..f62d46ca450 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1256,6 +1256,8 @@ extern int tcp_md5_hash_skb_data(struct tcp_md5sig_pool *, const struct sk_buff
 extern int tcp_md5_hash_key(struct tcp_md5sig_pool *hp,
 			    const struct tcp_md5sig_key *key);
 
+static inline void tcp_init_send_head(struct sock *sk);
+
 /* write queue abstraction */
 static inline void tcp_write_queue_purge(struct sock *sk)
 {
@@ -1263,6 +1265,7 @@ static inline void tcp_write_queue_purge(struct sock *sk)
 
 	while ((skb = __skb_dequeue(&sk->sk_write_queue)) != NULL)
 		sk_wmem_free_skb(sk, skb);
+	tcp_init_send_head(sk);
 	sk_mem_reclaim(sk);
 	tcp_clear_all_retrans_hints(tcp_sk(sk));
 }