diff -ruN balance-3.42.orig/balance.c balance-3.42.new/balance.c
--- balance-3.42.orig/balance.c	2008-04-08 14:40:02.000000000 -0300
+++ balance-3.42.new/balance.c	2008-11-11 11:00:26.000000000 -0200
@@ -162,7 +162,7 @@
   }
 
   sockoptoff = 0;
-
+/*
 #if defined(IPV6_V6ONLY)
   status = setsockopt(srv_socket, IPPROTO_IPV6, IPV6_V6ONLY, (char*) &sockoptoff, sizeof(sockoptoff));
   if(status < 0) {
@@ -170,7 +170,7 @@
     exit(EX_OSERR);
   }
 #endif
-
+*/
   sockopton = 1;
   status = setsockopt(srv_socket, SOL_SOCKET, SO_REUSEADDR, (char*) &sockopton, sizeof(sockopton));
   if(status < 0) {