diff --git a/test/is_nothrow_swappable_test.cpp b/test/is_nothrow_swappable_test.cpp
index 914bd62..1377c8a 100644
--- a/test/is_nothrow_swappable_test.cpp
+++ b/test/is_nothrow_swappable_test.cpp
@@ -13,7 +13,8 @@
 
 #include <boost/config.hpp>
 
-#if defined(BOOST_NO_SFINAE_EXPR) || defined(BOOST_NO_CXX11_NOEXCEPT) || defined(BOOST_NO_CXX11_DECLTYPE) || defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
+#if defined(BOOST_NO_SFINAE_EXPR) || defined(BOOST_NO_CXX11_NOEXCEPT) || defined(BOOST_NO_CXX11_DECLTYPE) || defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) \
+    || (defined(__GLIBCXX__) && __GLIBCXX__ <= 20120301) // built-in clang++ -std=c++11 on Travis, w/ libstdc++ 4.6
 
 int main()
 {