diff --git a/interface/wx/odcombo.h b/interface/wx/odcombo.h
index 07bb3a7501..71bd0c7fd2 100644
--- a/interface/wx/odcombo.h
+++ b/interface/wx/odcombo.h
@@ -81,7 +81,7 @@ enum
 
     @see wxComboCtrl, wxComboBox, wxVListBox, wxCommandEvent
 */
-class wxOwnerDrawnComboBox : public wxComboCtrl, wxItemContainer
+class wxOwnerDrawnComboBox : public wxComboCtrl, public wxItemContainer
 {
 public:
     /**