diff --git a/include/boost/move/move.hpp b/include/boost/move/move.hpp
index 276a3db..e43623d 100644
--- a/include/boost/move/move.hpp
+++ b/include/boost/move/move.hpp
@@ -372,6 +372,14 @@
       const ::boost::rv< TYPE >& \
    //
 
+   #define BOOST_COPY_ASSIGN_REF_BEG \
+      const ::boost::rv<  \
+   //
+
+   #define BOOST_COPY_ASSIGN_REF_END \
+      >& \
+   //
+
    #define BOOST_MOVE_COPY_ASSIGN_REF_2_TEMPL_ARGS(TYPE, ARG1, ARG2)\
       const ::boost::rv< TYPE<ARG1, ARG2> >& \
    //