diff --git a/net/ipv4/inet_lro.c b/net/ipv4/inet_lro.c
index 6a667da..d16c9d5 100644
--- a/net/ipv4/inet_lro.c
+++ b/net/ipv4/inet_lro.c
@@ -90,9 +90,9 @@ static int lro_tcp_ip_check(struct iphdr *iph, struct tcphdr *tcph,
 				      ntohl(*topt)))
 			return -1;
 
-		/* timestamp reply should not be zero */
+		/* aggregate if we are sure we won't miss a valid TSecr */
 		topt++;
-		if (*topt == 0)
+		if (*topt == 0 && lro_desc->tcp_rcv_tsecr != 0)
 			return -1;
 	}