diff --git a/test/optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_fail.cpp b/test/optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_fail.cpp
index 18d6c87..8cc1e70 100644
--- a/test/optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_fail.cpp
+++ b/test/optional_xconfig_NO_LEGAL_CONVERT_FROM_REF_fail.cpp
@@ -13,7 +13,7 @@
 #include "boost/core/lightweight_test.hpp"
 #include "boost/optional/detail/optional_config.hpp"
 
-#ifndef BOOST_OPTIONAL_CONFIG_NO_LEGAL_CONVERT_FROM_REF
+#if (defined BOOST_NO_CXX11_RVALUE_REFERENCES) || (!defined BOOST_OPTIONAL_CONFIG_NO_LEGAL_CONVERT_FROM_REF)
 
 static_assert(false, "failed as requested");