diff --git a/core/lib/Thelia/Install/CheckPermission.php b/core/lib/Thelia/Install/CheckPermission.php
index 9cc1261f2..1f0a36454 100644
--- a/core/lib/Thelia/Install/CheckPermission.php
+++ b/core/lib/Thelia/Install/CheckPermission.php
@@ -175,14 +175,6 @@ class CheckPermission extends BaseInstall
      */
     protected function makeDirectoryWritable($directory)
     {
-        chmod($directory, 0777);
-        $iterator = new RecursiveIteratorIterator(
-            new RecursiveDirectoryIterator($directory)
-        );
-        foreach ($iterator as $item) {
-            chmod($item, 0777);
-        }
-
         return (is_writable(THELIA_ROOT . $directory) === true);
     }