Index: pf.c
===================================================================
RCS file: /cvs/src/sys/net/pf.c,v
retrieving revision 1.889
diff -u -p -r1.889 pf.c
--- pf.c	14 Oct 2014 09:52:25 -0000	1.889
+++ pf.c	4 Nov 2014 05:29:08 -0000
@@ -3044,6 +3044,7 @@ pf_tcp_iss(struct pf_pdesc *pd)
 	}
 	ctx = pf_tcp_secret_ctx;
 
+	MD5Update(&ctx, (char *)&pd->rdomain, sizeof(pd->rdomain));
 	MD5Update(&ctx, (char *)&pd->hdr.tcp->th_sport, sizeof(u_short));
 	MD5Update(&ctx, (char *)&pd->hdr.tcp->th_dport, sizeof(u_short));
 	switch (pd->af) {