diff --git a/net/ipv4/tcp_fastopen.c b/net/ipv4/tcp_fastopen.c
index 33451f00c4e8..7f7eb3cc1c04 100644
--- a/net/ipv4/tcp_fastopen.c
+++ b/net/ipv4/tcp_fastopen.c
@@ -545,6 +545,8 @@ bool tcp_fastopen_defer_connect(struct sock *sk, int *err)
 
 	if (tp->fastopen_connect && !tp->fastopen_req) {
 		if (tcp_fastopen_cookie_check(sk, &mss, &cookie)) {
+			WRITE_ONCE(tp->snd_una, tp->write_seq);
+			WRITE_ONCE(tp->snd_nxt, tp->write_seq);
 			inet_set_bit(DEFER_CONNECT, sk);
 			return true;
 		}