diff --git a/include/net/tcp.h b/include/net/tcp.h
index 70c5159..b7d83d2 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -939,7 +939,7 @@
 
 		tp->ucopy.memory = 0;
 	} else if (skb_queue_len(&tp->ucopy.prequeue) == 1) {
-		wake_up_interruptible_sync_poll(sk->sk_sleep,
+		wake_up_interruptible_sync_poll(sk_sleep(sk),
 					   POLLIN | POLLRDNORM | POLLRDBAND);
 		if (!inet_csk_ack_scheduled(sk))
 			inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK,