diff --git a/include/wx/propgrid/editors.h b/include/wx/propgrid/editors.h
index cf81fcee2b..37c22eb99e 100644
--- a/include/wx/propgrid/editors.h
+++ b/include/wx/propgrid/editors.h
@@ -495,6 +495,7 @@ class WXDLLIMPEXP_PROPGRID wxPGMultiButton : public wxWindow
 {
 public:
     wxPGMultiButton( wxPropertyGrid* pg, const wxSize& sz );
+    virtual ~wxPGMultiButton() {}
 
     wxWindow* GetButton( unsigned int i ) { return (wxWindow*) m_buttons[i]; }
     const wxWindow* GetButton( unsigned int i ) const