diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 49d0d2b..779d40c 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -511,7 +511,7 @@
 
 static inline void tcp_mark_push(struct tcp_sock *tp, struct sk_buff *skb)
 {
-	TCP_SKB_CB(skb)->flags |= TCPCB_FLAG_PSH;
+	TCP_SKB_CB(skb)->flags |= TCPHDR_PSH;
 	tp->pushed_seq = tp->write_seq;
 }
 
@@ -527,7 +527,7 @@
 
 	skb->csum    = 0;
 	tcb->seq     = tcb->end_seq = tp->write_seq;
-	tcb->flags   = TCPCB_FLAG_ACK;
+	tcb->flags   = TCPHDR_ACK;
 	tcb->sacked  = 0;
 	skb_header_release(skb);
 	tcp_add_write_queue_tail(sk, skb);
@@ -815,7 +815,7 @@
 		skb_shinfo(skb)->gso_segs = 0;
 
 		if (!copied)
-			TCP_SKB_CB(skb)->flags &= ~TCPCB_FLAG_PSH;
+			TCP_SKB_CB(skb)->flags &= ~TCPHDR_PSH;
 
 		copied += copy;
 		poffset += copy;
@@ -1061,7 +1061,7 @@
 			}
 
 			if (!copied)
-				TCP_SKB_CB(skb)->flags &= ~TCPCB_FLAG_PSH;
+				TCP_SKB_CB(skb)->flags &= ~TCPHDR_PSH;
 
 			tp->write_seq += copy;
 			TCP_SKB_CB(skb)->end_seq += copy;