diff --git a/minify.js b/minify.js
index <HASH>..<HASH> 100644
--- a/minify.js
+++ b/minify.js
@@ -198,11 +198,11 @@ exports.optimize = function(pFiles_a, pCache_b){
     

     var lAllCSS = '';

     /* varible contains all readed file names */

-    var lReadedFiles=[];

+    var lReadedFilesCount=0;

     var dataReaded_f=function(pFileName, pData){        

         var lLastFile_b;

         

-        lReadedFiles[lReadedFiles.length] = pFileName;

+        ++lReadedFilesCount;

         /*

          * if postProcessing function exist

          * getting it from pFileName object

@@ -248,7 +248,7 @@ exports.optimize = function(pFiles_a, pCache_b){
             /* if lengthis not equal

              * file not last

              */            

-            if (lReadedFiles.length != pFiles_a.length)

+            if (lReadedFilesCount !== pFiles_a.length)

                 lLastFile_b=false;

             else

                 lLastFile_b=true;
changed lReadFiles name array to lReadFilesCount number