diff --git a/test/Parser/cxx0x-decl.cpp b/test/Parser/cxx0x-decl.cpp
index c91cc9e..c079522 100644
--- a/test/Parser/cxx0x-decl.cpp
+++ b/test/Parser/cxx0x-decl.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -verify -fsyntax-only -std=c++11 -pedantic-errors %s
+// RUN: %clang_cc1 -verify -fsyntax-only -std=c++11 -pedantic-errors -triple x86_64-linux-gnu %s
 
 // Make sure we know these are legitimate commas and not typos for ';'.
 namespace Commas {