diff --git a/sys/netinet/tcp_syncache.c b/sys/netinet/tcp_syncache.c
index 669a3b6c662..099861a12c0 100644
--- a/sys/netinet/tcp_syncache.c
+++ b/sys/netinet/tcp_syncache.c
@@ -666,7 +666,7 @@ syncache_socket(sc, lso)
 	tp->rcv_wnd = sc->sc_wnd;
 	tp->rcv_adv += tp->rcv_wnd;
 
-	tp->t_flags = sc->sc_tp->t_flags & (TF_NOPUSH|TF_NODELAY);
+	tp->t_flags = sototcpcb(lso)->t_flags & (TF_NOPUSH|TF_NODELAY);
 	if (sc->sc_flags & SCF_NOOPT)
 		tp->t_flags |= TF_NOOPT;
 	if (sc->sc_flags & SCF_WINSCALE) {