diff --git a/App/Model/Setting.php b/App/Model/Setting.php
index 92f45b3..cb9f573 100644
--- a/App/Model/Setting.php
+++ b/App/Model/Setting.php
@@ -101,6 +101,11 @@ class Setting {
 	 */
 	protected $use_confirm_page = true;
 
+	/**
+	 * @var boolean
+	 */
+	protected $use_progress_tracker = false;
+
 	/**
 	 * @var string
 	 */