diff --git a/core/Configuration/Configuration.class.php b/core/Configuration/Configuration.class.php
index 0a0bca3..6bdc816 100644
--- a/core/Configuration/Configuration.class.php
+++ b/core/Configuration/Configuration.class.php
@@ -121,24 +121,6 @@ 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 83dabdc..56cbb76 100644
--- a/core/Documents/Install.class.php
+++ b/core/Documents/Install.class.php
@@ -130,12 +130,10 @@ namespace Documents\Install {
       $success = true;
       $failedRequirements = array();
 
-      $unwriteableFiles = \Configuration\Configuration::checkPermissions();
-      if(!empty($unwriteableFiles)) {
-        foreach($unwriteableFiles as $file) {
-          $failedRequirements[] = "<b>$file</b> is not writeable. Try running <b>chmod 600</b>";
-          $success = false;
-        }
+      $configDir = "core/Configuration/";
+      if(!is_writeable($configDir)) {
+        $failedRequirements[] = "<b>$configDir</b> is not writeable. Try running <b>chmod 755</b>";
+        $success = false;
       }
 
       if(version_compare(PHP_VERSION, '7.1', '<')) {