diff --git a/include/rebind/member.hpp b/include/rebind/member.hpp
index d7d4654..ca1cc2f 100644
--- a/include/rebind/member.hpp
+++ b/include/rebind/member.hpp
@@ -85,7 +85,7 @@ namespace rebind
                 return make_array(inspect<T, I>().name...);
             };
 
-            return unpack(std::make_index_sequence<arity<T>()>());
+            return unpack(std::make_index_sequence<rebind::arity<T>>());
         }
     } // namespace impl