diff --git a/lib/server.js b/lib/server.js
index 01a6846d..2af55ae9 100644
--- a/lib/server.js
+++ b/lib/server.js
@@ -144,9 +144,9 @@
         
         this.IP   = process.env.IP              ||  /* c9           */
                     this.Config.ip              ||
-                    main.WIN32 ?
+                    (main.WIN32 ?
                         '127.0.0.1' :
-                        '0.0.0.0';
+                        '0.0.0.0');
         
         /* server mode or testing mode */
         if (lConfig.server) {