diff --git a/include/rc_item.h b/include/rc_item.h
index 02ac5cae98..f61691392f 100644
--- a/include/rc_item.h
+++ b/include/rc_item.h
@@ -200,7 +200,7 @@ public:
 };
 
 
-class RC_TREE_MODEL : public wxDataViewModel, wxEvtHandler
+class RC_TREE_MODEL : public wxDataViewModel, public wxEvtHandler
 {
 public:
     static wxDataViewItem ToItem( RC_TREE_NODE const* aNode )