diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
index d60732f..3be00af 100644
--- a/net/ipv4/tcp_ipv4.c
+++ b/net/ipv4/tcp_ipv4.c
@@ -193,7 +193,7 @@
 		daddr = rt->rt_dst;
 
 	if (!inet->inet_saddr)
-		inet->inet_saddr = rt->rt_src;
+		inet->inet_saddr = fl4.saddr;
 	inet->inet_rcv_saddr = inet->inet_saddr;
 
 	if (tp->rx_opt.ts_recent_stamp && inet->inet_daddr != daddr) {