diff --git a/include/wx/osx/cocoa/private/textimpl.h b/include/wx/osx/cocoa/private/textimpl.h
index 8b660c3eba..c3db3291e7 100644
--- a/include/wx/osx/cocoa/private/textimpl.h
+++ b/include/wx/osx/cocoa/private/textimpl.h
@@ -117,6 +117,8 @@ public :
 
     virtual void SetEditable(bool editable);
 
+    virtual void mouseEvent(WX_NSEvent event, WXWidget slf, void *_cmd);
+
 private:
     NSComboBox* m_comboBox;
 };