diff --git a/modules/juce_gui_basics/widgets/juce_ComboBox.h b/modules/juce_gui_basics/widgets/juce_ComboBox.h
index a25de63ff5..11f4dd47af 100644
--- a/modules/juce_gui_basics/widgets/juce_ComboBox.h
+++ b/modules/juce_gui_basics/widgets/juce_ComboBox.h
@@ -264,7 +264,7 @@ public:
     virtual void showPopup();
 
     /** Adds the items in this ComboBox to the given menu. */
-    void addItemsToMenu (PopupMenu&) const;
+    virtual void addItemsToMenu (PopupMenu&) const;
 
     //==============================================================================
     /**