diff --git a/include/wx/treelist.h b/include/wx/treelist.h
index 1b33b5abcc..bb27f9d8f9 100644
--- a/include/wx/treelist.h
+++ b/include/wx/treelist.h
@@ -26,7 +26,7 @@
 class WXDLLIMPEXP_FWD_ADV wxDataViewCtrl;
 class WXDLLIMPEXP_FWD_ADV wxDataViewEvent;
 
-extern WXDLLIMPEXP_DATA_CORE(const char) wxTreeListCtrlNameStr[];
+extern WXDLLIMPEXP_DATA_ADV(const char) wxTreeListCtrlNameStr[];
 
 class wxTreeListCtrl;
 class wxTreeListModel;