diff --git a/kfet/static/kfet/js/kpsul.js b/kfet/static/kfet/js/kpsul.js
index 1a6ca4b2..c11e78dc 100644
--- a/kfet/static/kfet/js/kpsul.js
+++ b/kfet/static/kfet/js/kpsul.js
@@ -5,6 +5,8 @@ class KPsulManager {
         this.account_manager = new AccountManager(this);
         this.checkout_manager = new CheckoutManager(this);
         this.article_manager = new ArticleManager(this);
+        this.history = new History(this);
+        this.lock = 0 ;
     }
 
     reset(soft) {