diff --git a/lib/server/ischanged.js b/lib/server/ischanged.js
index 47a53226..c224b4ed 100644
--- a/lib/server/ischanged.js
+++ b/lib/server/ischanged.js
@@ -14,7 +14,7 @@
         
         Times           = main.require(CHANGES_NAME) || {};
         
-    exports.isFileChanged = function(name, callback) {
+    module.exports = function(name, callback) {
         var readTime = Times[name];
         
         Util.checkArgs(arguments, ['name', 'callback']);
diff --git a/lib/server/minify.js b/lib/server/minify.js
index ff958a96..4e9e9c1d 100644
--- a/lib/server/minify.js
+++ b/lib/server/minify.js
@@ -19,7 +19,7 @@
         Util                = main.util,
         Minify              = main.require('minify'),
         fs                  = require('fs'),
-        IsChanged           = main.ischanged,
+        ischanged           = require('./ischanged'),
         
         COULD_NOT_MINIFY    = 'Could not minify without minify module\n' +
                             'npm i minify';
@@ -41,7 +41,7 @@
         } else {
             minifyName  = Minify.getName(name),
             
-            isChanged   = exec.with(IsChanged.isFileChanged, name),
+            isChanged   = exec.with(ischanged, name),
             isExist     = exec.with(fs.lstat, minifyName);
             
             exec.parallel([isChanged, isExist], function(error, changed, exists) {