diff --git a/src/Elements/Bundle/AlternateObjectTreesBundle/Resources/public/js/config/item.js b/src/Elements/Bundle/AlternateObjectTreesBundle/Resources/public/js/config/item.js
index c0be4b1..50d443b 100644
--- a/src/Elements/Bundle/AlternateObjectTreesBundle/Resources/public/js/config/item.js
+++ b/src/Elements/Bundle/AlternateObjectTreesBundle/Resources/public/js/config/item.js
@@ -29,7 +29,6 @@ pimcore.plugin.alternateObjectTrees.config.item = Class.create({
         }
     },
 
-
     addLayout: function () {
 
         this.editpanel = new Ext.Panel({
@@ -184,13 +183,11 @@ pimcore.plugin.alternateObjectTrees.config.item = Class.create({
             autoScroll: true,
             bodyStyle: "padding: 20px;",
             title: this.data.name,
-//            iconCls: 'pimcore_panel_tree_objects_alternate_tree_custom_' + this.data.id,
-//             id: "plugin_alternate_object_trees_config_panel_" + this.data.name,
+            id: "plugin_alternate_object_trees_config_panel_" + this.data.id,
             items: [this.settings, this.itemContainer],
             buttons: panelButtons
         });
 
-
         this.parentPanel.getEditPanel().add(this.panel);
         this.parentPanel.getEditPanel().setActiveItem(this.panel);
 
diff --git a/src/Elements/Bundle/AlternateObjectTreesBundle/Resources/public/js/config/panel.js b/src/Elements/Bundle/AlternateObjectTreesBundle/Resources/public/js/config/panel.js
index b7ab16b..2a3dfce 100644
--- a/src/Elements/Bundle/AlternateObjectTreesBundle/Resources/public/js/config/panel.js
+++ b/src/Elements/Bundle/AlternateObjectTreesBundle/Resources/public/js/config/panel.js
@@ -21,7 +21,7 @@ pimcore.plugin.alternateObjectTrees.config.panel = Class.create({
 
     activate: function () {
         var tabPanel = Ext.getCmp("pimcore_panel_tabs");
-        tabPanel.activate("plugin_alternate_object_trees_config");
+        tabPanel.setActiveItem("plugin_alternate_object_trees_config");
     },
 
     getTabPanel: function () {
@@ -145,7 +145,7 @@ pimcore.plugin.alternateObjectTrees.config.panel = Class.create({
 
         var existingPanel = Ext.getCmp("plugin_alternate_object_trees_config_panel_" + id);
         if (existingPanel) {
-            this.editPanel.activate(existingPanel);
+            this.editPanel.setActiveItem(existingPanel);
             return;
         }
 
@@ -240,4 +240,3 @@ pimcore.plugin.alternateObjectTrees.config.panel = Class.create({
         this.tree.getStore().remove(model);
     }
 });
-