diff --git a/lib/client/config.js b/lib/client/config.js
index 769b814e..5b5e8ece 100644
--- a/lib/client/config.js
+++ b/lib/client/config.js
@@ -95,11 +95,13 @@ var CloudCmd, Util, DOM;
         
         
         function changeConfig(config) {
-            var name;
-            
-            for (name in config)
-                if (Util.isBoolean(config[name]))
-                    config[name] = setState(config[name]);
+            Object.keys(config).forEach(function(name) {
+                var item    = config[name],
+                    isBool  = Util.isBoolean(item);
+                
+                if (isBool)
+                    config[name] = setState(item);
+            });
         }
         
         function setState(state) {