diff --git a/dune/common/hybridutilities.hh b/dune/common/hybridutilities.hh
index b40d6e1a20ab823497335da06252c3eba43c4221..e0cc906d601ed454d05ecc10b948b3e59ab7c40a 100644
--- a/dune/common/hybridutilities.hh
+++ b/dune/common/hybridutilities.hh
@@ -23,30 +23,38 @@ namespace Hybrid {
 namespace Impl {
 
   // Try if tuple_size is implemented for class
-  template<class T, int i>
-  constexpr auto size(const Dune::FieldVector<T, i>&, const PriorityTag<5>&)
-    -> decltype(std::integral_constant<std::size_t,i>())
+  template<class T>
+  constexpr auto size(const T&, const PriorityTag<4>&)
+    -> decltype(std::integral_constant<std::size_t,std::tuple_size<T>::value>())
   {
     return {};
   }
 
-  // Try if tuple_size is implemented for class
+  // Try if there's a static constexpr size()
   template<class T>
   constexpr auto size(const T&, const PriorityTag<3>&)
-    -> decltype(std::integral_constant<std::size_t,std::tuple_size<T>::value>())
+    -> decltype(std::integral_constant<std::size_t,T::size()>())
   {
     return {};
   }
 
-  // Try if there's a static constexpr size()
+  // Try if there's a static constexpr N()
   template<class T>
-  constexpr auto size(const T&, const PriorityTag<1>&)
-    -> decltype(std::integral_constant<std::size_t,T::size()>())
+  constexpr auto size(const T&, const PriorityTag<2>&)
+    -> decltype(std::integral_constant<std::size_t,T::N()>())
   {
     return {};
   }
 
-  // As a last resort try if there's a static constexpr size()
+  // Try if there's a non-static N()
+  template<class T>
+  constexpr auto size(const T& t, const PriorityTag<1>&)
+    -> decltype(t.N())
+  {
+    return t.N();
+  }
+
+  // As a last resort try if there's a non-static size()
   template<class T>
   constexpr auto size(const T& t, const PriorityTag<0>&)
   {