diff --git a/dlls/oleaut32/tmarshal.c b/dlls/oleaut32/tmarshal.c
index a7b4009..a1355da 100644
--- a/dlls/oleaut32/tmarshal.c
+++ b/dlls/oleaut32/tmarshal.c
@@ -1745,6 +1747,7 @@ static inline HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
 
 static HRESULT init_proxy_entry_point(TMProxyImpl *proxy, unsigned int num)
 {
+#ifdef __i386__
     int j;
     /* nrofargs without This */
     int nrofargs;
@@ -1764,7 +1767,6 @@ static HRESULT init_proxy_entry_point(TMProxyImpl *proxy, unsigned int num)
     for (j=0;j<fdesc->cParams;j++)
         nrofargs += _argsize(&fdesc->lprgelemdescParam[j].tdesc, proxy->tinfo);
 
-#ifdef __i386__
     if (fdesc->callconv != CC_STDCALL) {
         ERR("calling convention is not stdcall????\n");
         return E_FAIL;