diff --git a/include/net/tcp.h b/include/net/tcp.h
index 0c61bf0a06da..3b522259da7d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -1368,7 +1368,7 @@ 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));
 }