Index: boost/fusion/view/iterator_range/detail/at_impl.hpp
===================================================================
--- boost/fusion/view/iterator_range/detail/at_impl.hpp	(revision 76394)
+++ boost/fusion/view/iterator_range/detail/at_impl.hpp	(working copy)
@@ -33,7 +33,7 @@
                 static type
                 call(Seq& s)
                 {
-                    return * advance<N>(s.first);
+                    return * fusion::advance<N>(s.first);
                 }
             };
         };