diff --git a/include/boost/config/compiler/cray.hpp b/include/boost/config/compiler/cray.hpp
index f0d2776d..94e932b8 100644
--- a/include/boost/config/compiler/cray.hpp
+++ b/include/boost/config/compiler/cray.hpp
@@ -58,6 +58,7 @@
 #define BOOST_NO_COMPLETE_VALUE_INITIALIZATION
 #define BOOST_NO_CXX11_CHAR32_T
 #define BOOST_NO_CXX11_CHAR16_T
+#define BOOST_NO_CXX11_REF_QUALIFIERS
 //#define BOOST_BCB_PARTIAL_SPECIALIZATION_BUG
 #define BOOST_MATH_DISABLE_STD_FPCLASSIFY
 //#define BOOST_HAS_FPCLASSIFY