diff --git a/include/msctf.idl b/include/msctf.idl
index 6a9b36a670e..6b0c84bdd53 100644
--- a/include/msctf.idl
+++ b/include/msctf.idl
@@ -1817,7 +1817,7 @@ interface IEnumTfUIElements : IUnknown
     HRESULT Next(
         [in] ULONG count,
         [out, size_is(count), length_is(fetched)] ITfUIElement **element,
-        [out] ULONG fetched);
+        [out] ULONG *fetched);
 
     HRESULT Reset();