diff --git a/libcxx/include/atomic b/libcxx/include/atomic
--- a/libcxx/include/atomic
+++ b/libcxx/include/atomic
@@ -1503,7 +1503,7 @@
     using __cxx_contention_t = int64_t;
 #endif //__linux__
 
-#if _LIBCPP_STD_VER >= 11
+#ifndef _LIBCPP_CXX03_LANG
 
 using __cxx_atomic_contention_t = __cxx_atomic_impl<__cxx_contention_t>;