diff --git a/kfet/static/kfet/js/history.js b/kfet/static/kfet/js/history.js
index 15e63438..5b6ec75b 100644
--- a/kfet/static/kfet/js/history.js
+++ b/kfet/static/kfet/js/history.js
@@ -91,7 +91,7 @@ class KHistory {
         if (!to_update) 
             return false;
 
-        $.extend(to_update, update_data);
+        to_update.update(update_data);
         var $new_elt = to_update.display($(this.templates[type]), {});
 
         var $to_replace = this._$container.find('#'+type+'-'+id+'>:first-child');
@@ -109,7 +109,7 @@ class KHistory {
         if (options.to && dateUTCToParis(opegroup.at).isAfter(moment(options.to)))
             return false;
 
-        if (options.transfersonly && opegroup.constructor.verbose_name === 'opegroup')
+        if (options.transfersonly && opegroup.constructor.verbose_name == 'opegroup')
             return false;
 
         if (options.accounts && options.accounts.length &&
@@ -117,7 +117,7 @@ class KHistory {
             return false;
 
         if (options.checkouts && options.checkouts.length && 
-                (opegroup.modelname === 'transfergroup' || 
+                (opegroup.modelname == 'transfergroup' || 
                  options.checkouts.indexOf(opegroup.checkout_id) < 0))
             return false;