diff --git a/tinyfilemanager.php b/tinyfilemanager.php
index a9c7f12..b971979 100644
--- a/tinyfilemanager.php
+++ b/tinyfilemanager.php
@@ -570,6 +570,7 @@ if ((isset($_SESSION[FM_SESSION_ID]['logged'], $auth_users[$_SESSION[FM_SESSION_
             $theme = $te3;
         }
         $cfg->save();
+        session_write_close();
         echo true;
     }