diff --git a/zkwebui/WEB-INF/src/org/adempiere/webui/panel/MenuPanel.java b/zkwebui/WEB-INF/src/org/adempiere/webui/panel/MenuPanel.java
index 32fe4ec1ec..8d75cc9c57 100644
--- a/zkwebui/WEB-INF/src/org/adempiere/webui/panel/MenuPanel.java
+++ b/zkwebui/WEB-INF/src/org/adempiere/webui/panel/MenuPanel.java
@@ -160,6 +160,8 @@ public class MenuPanel extends Panel implements EventListener
                 generateMenu(treeItemChildren, mChildNode);
                 if(treeItemChildren.getChildren().size() != 0)
                     treeitem.appendChild(treeItemChildren);
+                
+                treeitem.getTreerow().addEventListener(Events.ON_CLICK, this);
             }
             else
             {
@@ -205,6 +207,10 @@ public class MenuPanel extends Panel implements EventListener
                 {
                     fireMenuSelectedEvent(selectedItem);
                 }
+                else
+                {
+                	selectedItem.setOpen(!selectedItem.isOpen());
+                }
         	}
         }
         // Elaine 2009/02/27 - expand tree