diff --git a/dlls/msxml3/dispex.c b/dlls/msxml3/dispex.c
index d71fb040835..529fd966843 100644
--- a/dlls/msxml3/dispex.c
+++ b/dlls/msxml3/dispex.c
@@ -152,7 +152,7 @@ static tid_id_t tid_ids[] = {
     { &IID_IVBMXNamespaceManager, LibXml2 }
 };
 
-inline REFIID get_riid_from_tid(tid_t tid)
+const IID *get_riid_from_tid(tid_t tid)
 {
     return tid_ids[tid].iid;
 }
diff --git a/dlls/msxml3/msxml_private.h b/dlls/msxml3/msxml_private.h
index 10067a6c70e..bb517a7e29d 100644
--- a/dlls/msxml3/msxml_private.h
+++ b/dlls/msxml3/msxml_private.h
@@ -157,7 +157,7 @@ extern HINSTANCE MSXML_hInstance DECLSPEC_HIDDEN;
 void init_dispex(DispatchEx*,IUnknown*,dispex_static_data_t*) DECLSPEC_HIDDEN;
 void release_dispex(DispatchEx*) DECLSPEC_HIDDEN;
 BOOL dispex_query_interface(DispatchEx*,REFIID,void**) DECLSPEC_HIDDEN;
-REFIID get_riid_from_tid(enum tid_t tid) DECLSPEC_HIDDEN;
+const IID *get_riid_from_tid(enum tid_t tid) DECLSPEC_HIDDEN;
 
 /* memory allocation functions */