diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index e23f141..dde37fb 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -223,8 +223,10 @@
 	struct sk_buff *segs;
 	int ret = 0;
 
-	/* common case: locally created skb or seglen is <= mtu */
-	if (((IPCB(skb)->flags & IPSKB_FORWARDED) == 0) ||
+	/* common case: fragmentation of segments is not allowed,
+	 * or seglen is <= mtu
+	 */
+	if (((IPCB(skb)->flags & IPSKB_FRAG_SEGS) == 0) ||
 	      skb_gso_validate_mtu(skb, mtu))
 		return ip_finish_output2(net, sk, skb);