diff --git a/clang/test/CodeGenCXX/2003-11-25-ReturningOpaqueByValue.cpp b/clang/test/CodeGenCXX/2003-11-25-ReturningOpaqueByValue.cpp
index 1a043dbc6686..dfe2aa1eb43e 100644
--- a/clang/test/CodeGenCXX/2003-11-25-ReturningOpaqueByValue.cpp
+++ b/clang/test/CodeGenCXX/2003-11-25-ReturningOpaqueByValue.cpp
@@ -1,5 +1,7 @@
 // RUN: %clang_cc1 -emit-llvm %s -o -
 
+// FIXME: Avoid using system headers. clang cannot handle MS <vector> yet.
+// XFAIL: win32
 #include <vector>
 std::vector<int> my_method ();