diff --git a/core/Configuration/Configuration.class.php b/core/Configuration/Configuration.class.php
index 2a93ca9..0a0bca3 100644
--- a/core/Configuration/Configuration.class.php
+++ b/core/Configuration/Configuration.class.php
@@ -66,7 +66,7 @@ class Configuration {
             public function __construct() {
               \$this->key = '$key';
             }
-            
+
             public function getKey() {
               return \$this->key;
             }
@@ -110,7 +110,7 @@ class Configuration {
         ?>", false);
     }
 
-    return file_put_contents($path, $code);
+    return @file_put_contents($path, $code);
   }
 
   public function delete($className) {
@@ -121,6 +121,24 @@ class Configuration {
 
     return true;
   }
+
+  public static function checkPermissions() {
+    $classes = array(
+      \Configuration\Database::class,
+      \Configuration\Mail::class,
+      \Configuration\JWT::class
+    );
+
+    $files = array();
+    foreach($classes as $class) {
+      $file = getClassPath($class);
+      if(!is_writeable($file)) {
+        $files[] = $file;
+      }
+    }
+
+    return $files;
+  }
 };
 
 ?>
diff --git a/core/Documents/Install.class.php b/core/Documents/Install.class.php
index e2dd071..83dabdc 100644
--- a/core/Documents/Install.class.php
+++ b/core/Documents/Install.class.php
@@ -62,19 +62,10 @@ namespace Documents\Install {
     const FINISH_INSTALLATION = 5;
 
     //
-    private $configDirectory;
-    private $databaseConfiguration;
-    private $mailConfiguration;
-    private $jwtConfiguration;
     private $errorString;
 
     function __construct($document) {
       parent::__construct($document);
-
-      $this->configDirectory    = getWebRoot() . '/core/Configuration';
-      $this->databaseConfiguration  = getWebRoot() . '/core/Configuration/Database.class.php';
-      $this->mailConfiguration  = getWebRoot() . '/core/Configuration/Mail.class.php';
-      $this->jwtConfiguration  = getWebRoot() . '/core/Configuration/JWT.class.php';
       $this->errorString = "";
     }
 
@@ -139,25 +130,14 @@ namespace Documents\Install {
       $success = true;
       $failedRequirements = array();
 
-      $writeableFiles = array(
-        $this->configDirectory,
-        $this->databaseConfiguration,
-        $this->mailConfiguration,
-        $this->jwtConfiguration,
-      );
-
-      foreach($writeableFiles as $file) {
-        if(!is_writeable($file)) {
+      $unwriteableFiles = \Configuration\Configuration::checkPermissions();
+      if(!empty($unwriteableFiles)) {
+        foreach($unwriteableFiles as $file) {
           $failedRequirements[] = "<b>$file</b> is not writeable. Try running <b>chmod 600</b>";
           $success = false;
         }
       }
 
-      if(!is_writeable($this->configDirectory)) {
-        $failedRequirements[] = "<b>$this->configDirectory</b> is not writeable. Try running <b>chmod 600</b>";
-        $success = false;
-      }
-
       if(version_compare(PHP_VERSION, '7.1', '<')) {
           $failedRequirements[] = "PHP Version <b>>= 7.1</b> is required. Got: <b>" . PHP_VERSION . "</b>";
           $success = false;
diff --git a/index.php b/index.php
index aced544..8d25306 100644
--- a/index.php
+++ b/index.php
@@ -6,10 +6,6 @@ function getClassPath($class, $suffix=true) {
   return "core/$path$suffix.php";
 }
 
-function getWebRoot() {
-  return dirname(__FILE__);
-}
-
 function createError($msg) {
   return json_encode(array("success" => false, "msg" => $msg));
 }