diff --git a/include/boost/fusion/container/vector/detail/value_at_impl.hpp b/include/boost/fusion/container/vector/detail/value_at_impl.hpp
index 3d748afd..7d134054 100644
--- a/include/boost/fusion/container/vector/detail/value_at_impl.hpp
+++ b/include/boost/fusion/container/vector/detail/value_at_impl.hpp
@@ -47,7 +47,7 @@ namespace boost { namespace fusion
             struct apply
             {
                 typedef typename boost::remove_cv<Sequence>::type seq;
-                typedef decltype(seq::template value_at_impl<N::value>(boost::declval<seq*>())) type;
+                typedef typename decltype(seq::template value_at_impl<N::value>(boost::declval<seq*>()))::type type;
             };
         };
     }
diff --git a/include/boost/fusion/container/vector/vector.hpp b/include/boost/fusion/container/vector/vector.hpp
index fb6a6f8b..845a019e 100644
--- a/include/boost/fusion/container/vector/vector.hpp
+++ b/include/boost/fusion/container/vector/vector.hpp
@@ -272,7 +272,7 @@ namespace boost { namespace fusion
 
             template <std::size_t N, typename U>
             static BOOST_FUSION_GPU_ENABLED
-            U value_at_impl(store<N, U>*);
+            mpl::identity<U> value_at_impl(store<N, U>*);
         };
 
         template <typename V, typename... T>