# diff -u /etc/inc/interfaces.inc.orig  /etc/inc/interfaces.inc
--- /etc/inc/interfaces.inc.orig        2013-05-16 13:47:13.000000000 +0200
+++ /etc/inc/interfaces.inc     2013-05-16 13:48:02.000000000 +0200
@@ -1666,7 +1666,7 @@
                if (is_ipaddr($pfsyncpeerip))
                        mwexec("/sbin/ifconfig pfsync0 syncdev {$carp_sync_int} syncpeer {$pfsyncpeerip} up", false);
                else
-                       mwexec("/sbin/ifconfig pfsync0 syncdev {$carp_sync_int} up", false);
+                       mwexec("/sbin/ifconfig pfsync0 syncdev {$carp_sync_int} -syncpeer up", false);

                sleep(1);

#