1 files changed, 1 insertions, 1 deletions
diff --git a/udp.c b/udp.c
index 9bc264f..5121099 100644
--- a/udp.c
+++ b/udp.c
@@ -150,7 +150,7 @@ void udp_input(register struct mbuf *m, int iphlen)
      * Locate pcb for datagram.
      */
     so = slirp->udp_last_so;
-    if (so->so_lport != uh->uh_sport ||
+    if (so == &slirp->udb || so->so_lport != uh->uh_sport ||
         so->so_laddr.s_addr != ip->ip_src.s_addr) {
         struct socket *tmp;