diff --git a/dlls/ole32/compobj.c b/dlls/ole32/compobj.c
index 4e926ec84a6..b8ddba8af72 100644
--- a/dlls/ole32/compobj.c
+++ b/dlls/ole32/compobj.c
@@ -1694,7 +1694,7 @@ HRESULT WINAPI CLSIDFromProgID(LPCOLESTR progid, LPCLSID clsid)
         return CO_E_CLASSSTRING;
     }
     RegCloseKey(xhkey);
-    return CLSIDFromString(buf2,clsid);
+    return __CLSIDFromString(buf2,clsid);
 }