diff --git a/index.js b/index.js
index c714a67..97fe624 100644
--- a/index.js
+++ b/index.js
@@ -1,7 +1,7 @@
 'use strict';
 
 var FileInfo        = require('./lib/fileinfo.js');
-var configs         = require('./lib/configs');
+var configs         = require('./lib/configs.js');
 var formidable      = require('formidable');
 var fs              = require('fs');
 var path            = require('path');
@@ -10,7 +10,8 @@ module.exports = uploadService;
 
 function uploadService(opts) {
     var options = configs.apply(opts);
-    var transporter = require('./lib/transport/'+options.storage.type === 'local'?'aws':'local')(options);
+    var transporter = options.storage.type === 'local'?require('./lib/transport/local.js'):require('./lib/transport/aws.js');
+    
     transporter = transporter(options);
 
     var fileUploader = {};
diff --git a/lib/configs.js b/lib/configs.js
index 60e96c1..10e3675 100644
--- a/lib/configs.js
+++ b/lib/configs.js
@@ -1,8 +1,5 @@
-var checkExists     = require('./checkFolder');
-/**
- * default configurations
- */
-module.exports = options;
+var checkExists     = require('./checkFolder.js');
+
 var options = {
     tmpDir: __dirname + '/tmp',
     uploadDir: __dirname + '/public/files',
@@ -53,10 +50,6 @@ var options = {
         
         this.validate();
 
-        delete this.apply;
-        delete this.specialApply;
-        delete this.validate();
-
         return this;
 
     },
@@ -122,3 +115,8 @@ var options = {
      
     }
 };
+
+/*
+ * default configurations
+ */
+module.exports = options;
diff --git a/specs/fileupload-spec.js b/specs/fileupload-spec.js
index cbb5e36..7e20a04 100644
--- a/specs/fileupload-spec.js
+++ b/specs/fileupload-spec.js
@@ -1,5 +1,4 @@
 'use strict';
-
 describe('FileInfo package', function() {
   var FileInfo = require('../lib/fileinfo.js');
   // TODO - FileInfo default constructor or mock parameters
@@ -25,6 +24,11 @@ describe('Uploader configuration', function() {
     // TODO - Create a mock object for the filesystem
     uploader = require('../index');
   });
+ 
+  it('can require configs without error',function(){
+    var configs = require('../lib/configs.js');
+    expect(configs).not.toBe(null);
+  });
 
   it('should have default config values', function() {
     options = {};