diff --git a/composer.json b/composer.json
index a808f47..2cae0eb 100644
--- a/composer.json
+++ b/composer.json
@@ -49,7 +49,7 @@
         "symfony/translation": "~2.8",
         "symfony/yaml": "~2.8",
         "symfony/event-dispatcher": "~2.8",
-        "twig/twig": "^1.23.1"
+        "twig/twig": "1.23.1"
     },
     "minimum-stability": "dev",
     "prefer-stable": true,
diff --git a/composer.lock b/composer.lock
index de54a01..e914dd7 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,8 +4,8 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#composer-lock-the-lock-file",
         "This file is @generated automatically"
     ],
-    "hash": "063e319e3f60eea42bf98734c82444ea",
-    "content-hash": "459803a9d76abeceab85453f282dbc13",
+    "hash": "74343d9ac5798c741038ebc92219bc72",
+    "content-hash": "d3ed03e1e23a5ce70bbb90ab3257ec01",
     "packages": [
         {
             "name": "dflydev/dot-access-configuration",
@@ -829,16 +829,16 @@
         },
         {
             "name": "twig/twig",
-            "version": "v1.25.0",
+            "version": "v1.23.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/twigphp/Twig.git",
-                "reference": "f16a634ab08d87e520da5671ec52153d627f10f6"
+                "reference": "d9b6333ae8dd2c8e3fd256e127548def0bc614c6"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/twigphp/Twig/zipball/f16a634ab08d87e520da5671ec52153d627f10f6",
-                "reference": "f16a634ab08d87e520da5671ec52153d627f10f6",
+                "url": "https://api.github.com/repos/twigphp/Twig/zipball/d9b6333ae8dd2c8e3fd256e127548def0bc614c6",
+                "reference": "d9b6333ae8dd2c8e3fd256e127548def0bc614c6",
                 "shasum": ""
             },
             "require": {
@@ -851,7 +851,7 @@
             "type": "library",
             "extra": {
                 "branch-alias": {
-                    "dev-master": "1.25-dev"
+                    "dev-master": "1.23-dev"
                 }
             },
             "autoload": {
@@ -886,7 +886,7 @@
             "keywords": [
                 "templating"
             ],
-            "time": "2016-09-21 23:05:12"
+            "time": "2015-11-05 12:49:06"
         }
     ],
     "packages-dev": [],
diff --git a/src/Utils/ConfigurationManager.php b/src/Utils/ConfigurationManager.php
index 6a4adea..a1c44d9 100644
--- a/src/Utils/ConfigurationManager.php
+++ b/src/Utils/ConfigurationManager.php
@@ -61,6 +61,11 @@ public function loadConfiguration($applicationDirectory)
         foreach ($files as $key => $file) {
             if (!file_exists($file)) {
                 unset($files[$key]);
+                continue;
+            }
+            if (file_get_contents($file)==='') {
+                unset($files[$key]);
+                continue;
             }
         }