diff --git a/include/net/tcp.h b/include/net/tcp.h
index abcf53a6db04..3f4223a550d9 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1353,7 +1353,7 @@ static inline int tcp_win_from_space(const struct sock *sk, int space)
 /* Note: caller must be prepared to deal with negative returns */
 static inline int tcp_space(const struct sock *sk)
 {
-	return tcp_win_from_space(sk, sk->sk_rcvbuf -
+	return tcp_win_from_space(sk, sk->sk_rcvbuf - sk->sk_backlog.len -
 				  atomic_read(&sk->sk_rmem_alloc));
 }