diff --git a/lib/server/ischanged.js b/lib/server/ischanged.js
index fb4d0ad8..39371c36 100644
--- a/lib/server/ischanged.js
+++ b/lib/server/ischanged.js
@@ -4,8 +4,8 @@
     var fs              = require('fs'),
         os              = require('os'),
         
-        Util            = require('../util'),
-        time            = require('./timem'),
+        Util            = require('util-io'),
+        time            = require('timem'),
         
         mkdir           = fs.mkdir,
         
@@ -13,16 +13,27 @@
         
         Times           = {},
         
+        TimesReaded,
+        
         DIR             = getDir() || __dirname + '/../../json/',
         NAME_SHORT      = DIR           + 'changes',
         NAME            = NAME_SHORT    + '.json';
-        
-        makeDir(DIR, function(error) {
-            if (!error)
-                Util.exec.try(function() {
-                    Times = require(NAME_SHORT);
-                });
-        });
+    
+    function getTimes(callback) {
+        if (TimesReaded)
+            callback(Times);
+        else
+            makeDir(DIR, function(error) {
+                if (!error)
+                    Util.exec.try(function() {
+                        Times = require(NAME_SHORT);
+                    });
+                
+                TimesReaded = true;
+                
+                callback(Times);
+            });
+    }
     
     function getDir() {
         var dir,
@@ -58,26 +69,29 @@
         });
     }
     
+    
     module.exports = function(name, callback) {
-        var readTime = Times[name];
-        
         Util.checkArgs(arguments, ['name', 'callback']);
         
-        time.get(name, 'raw', function(error, fileTime) {
-            var json, timeChanged;
+        getTimes(function(times) {
+            var readTime = times[name];
             
-            if (!error && readTime !== fileTime) {
-                timeChanged     = true;
-                Times[name]     = fileTime;
-                json            = Util.stringifyJSON(Times);
+            time.get(name, 'raw', function(error, fileTime) {
+                var json, timeChanged;
                 
-                fs.writeFile(NAME, json, function(error) {
-                    if (error)
-                        Util.log(error);
-                });
-            }
+                if (!error && readTime !== fileTime) {
+                    timeChanged     = true;
+                    Times[name]     = fileTime;
+                    json            = Util.stringifyJSON(Times);
+                    
+                    fs.writeFile(NAME, json, function(error) {
+                        if (error)
+                            Util.log(error);
+                    });
+                }
             
-            callback(error, timeChanged);
+                callback(error, timeChanged);
+            });
         });
     };
 })();