diff --git a/include/utempl/type_list.hpp b/include/utempl/type_list.hpp
index 4597a86..87c3bbe 100644
--- a/include/utempl/type_list.hpp
+++ b/include/utempl/type_list.hpp
@@ -19,6 +19,11 @@ template <typename... Ts>
 struct TypeList {
 };
 
+template <typename T>
+struct TypeList<T> {
+  using Type = T;
+};
+
 template <typename T>
 inline constexpr auto kType = TypeList<T>{};