diff --git a/xvaga/xvtctl.cpp b/xvaga/xvtctl.cpp
index 84fce145a..b587a9360 100755
--- a/xvaga/xvtctl.cpp
+++ b/xvaga/xvtctl.cpp
@@ -990,6 +990,7 @@ void TwxTreeCtrl::OnSelected(wxTreeEvent& evt)
 
 void TwxTreeCtrl::OnActivated(wxTreeEvent& evt)
 { 
+#if wxCHECK_VERSION(2,8,10)
   const wxTreeItemId id = evt.GetItem();
   if (ItemHasChildren(id))
   {
@@ -998,6 +999,7 @@ void TwxTreeCtrl::OnActivated(wxTreeEvent& evt)
     else
       Expand(id);
   }
+#endif
   OnClick(evt, true); 
 }