Index: boost/fusion/container/map/detail/deref_data_impl.hpp
===================================================================
--- boost/fusion/container/map/detail/deref_data_impl.hpp	(revision 66084)
+++ boost/fusion/container/map/detail/deref_data_impl.hpp	(working copy)
@@ -39,7 +39,7 @@
             static type
             call(It const& it)
             {
-                return deref(it).second;
+                return fusion::deref(it).second;
             }
         };
     };
Index: boost/fusion/container/map/detail/deref_impl.hpp
===================================================================
--- boost/fusion/container/map/detail/deref_impl.hpp	(revision 66084)
+++ boost/fusion/container/map/detail/deref_impl.hpp	(working copy)
@@ -36,7 +36,7 @@
             static type
             call(It const& it)
             {
-                return at<typename It::index>(it.seq->get_data());
+                return fusion::at<typename It::index>(it.seq->get_data());
             }
         };
     };