diff --git a/include/wx/treebase.h b/include/wx/treebase.h
index 1d91001888..10f382f466 100644
--- a/include/wx/treebase.h
+++ b/include/wx/treebase.h
@@ -225,6 +225,8 @@ class WXDLLEXPORT wxTreeEvent : public wxNotifyEvent
     friend class WXDLLEXPORT wxTreeCtrl;
     friend class WXDLLEXPORT wxGenericTreeCtrl;
 
+    DECLARE_DYNAMIC_CLASS(wxTreeEvent);
+
 public:
     wxTreeEvent(wxEventType commandType = wxEVT_NULL, int id = 0);
 
diff --git a/src/common/treebase.cpp b/src/common/treebase.cpp
index dfa45202e5..0a49f60cf8 100644
--- a/src/common/treebase.cpp
+++ b/src/common/treebase.cpp
@@ -67,6 +67,9 @@ DEFINE_EVENT_TYPE(wxEVT_COMMAND_TREE_END_DRAG)
 // Tree event
 // ----------------------------------------------------------------------------
 
+IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxNotifyEvent)
+
+
 wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
            : wxNotifyEvent(commandType, id)
 {