diff --git a/include/wx/xrc/xh_collpane.h b/include/wx/xrc/xh_collpane.h
index c6ade911cb..be4b49f995 100644
--- a/include/wx/xrc/xh_collpane.h
+++ b/include/wx/xrc/xh_collpane.h
@@ -15,7 +15,7 @@
 
 #if wxUSE_XRC && wxUSE_COLLPANE
 
-class WXDLLIMPEXP_FWD_ADV wxCollapsiblePane;
+class WXDLLIMPEXP_FWD_CORE wxCollapsiblePane;
 
 class WXDLLIMPEXP_XRC wxCollapsiblePaneXmlHandler : public wxXmlResourceHandler
 {