diff --git a/dlls/rpcrt4/cstub.c b/dlls/rpcrt4/cstub.c
index 85411cd..7a8a0ce 100644
--- a/dlls/rpcrt4/cstub.c
+++ b/dlls/rpcrt4/cstub.c
@@ -123,6 +123,7 @@ static struct
     ref_counted_vtbl *table;
 } current_vtbl;
 
+#if defined(__i386__)
 
 static HRESULT WINAPI delegating_QueryInterface(IUnknown *pUnk, REFIID iid, void **ppv)
 {
@@ -140,8 +141,6 @@ static ULONG WINAPI delegating_Release(IUnknown *pUnk)
     return 1;
 }
 
-#if defined(__i386__)
-
 /* The idea here is to replace the first param on the stack
    ie. This (which will point to cstdstubbuffer_delegating_t)
    with This->stub_buffer.pvServerObject and then jump to the