https://github.com/thkukuk/ypserv/pull/2

diff --git a/ypxfr/ypxfr.c b/ypxfr/ypxfr.c

index 358ac8d..d44773b 100644

--- a/ypxfr/ypxfr.c

+++ b/ypxfr/ypxfr.c

@@ -517,8 +517,8 @@ ypxfr (char *map, char *source_host, char *source_domain, char *target_domain,

   if (ypproc_order_2 (&req_nokey, &resp_order, clnt_udp) != RPC_SUCCESS)

     {

       log_msg (clnt_sperror (clnt_udp, "ypproc_order_2"));

-      masterOrderNum = time (NULL); /* We set it to the current time.

-                                       So a new map will be always newer. */

+      clnt_destroy (clnt_udp);

+      return YPXFR_YPERR;

     }

   else if (resp_order.stat != YP_TRUE)

     {