diff --git a/src/socks.c b/src/socks.c
index 9b59a30..404dbcd 100644
--- a/src/socks.c
+++ b/src/socks.c
@@ -173,9 +173,9 @@ void * sockschild(struct clientparam* param) {
 	case 3:
 
 #ifndef NOIPV6	 
-	 param->sinsl = *SAFAMILY(&param->req)==AF_INET6? param->srv->extsa6 : (SAISNULL(&param->srv->extNat)?param->srv->extsa:param->srv->extNat);
+	 param->sinsl = *SAFAMILY(&param->req)==AF_INET6? param->srv->extsa6 : param->srv->extsa;
 #else
-	 param->sinsl = SAISNULL(&param->srv->extNat)?param->srv->extsa:param->srv->extNat;
+	 param->sinsl = param->srv->extsa;
 #endif
 	 if ((param->remsock=so._socket(SASOCK(&param->req), command == 2? SOCK_STREAM:SOCK_DGRAM, command == 2?IPPROTO_TCP:IPPROTO_UDP)) == INVALID_SOCKET) {RETURN (11);}
 	 param->operation = command == 2?BIND:UDPASSOC;