diff --git a/include/omath/linear_algebra/mat.hpp b/include/omath/linear_algebra/mat.hpp
index a272118..75c4848 100644
--- a/include/omath/linear_algebra/mat.hpp
+++ b/include/omath/linear_algebra/mat.hpp
@@ -39,6 +39,7 @@ namespace omath
     class Mat final
     {
     public:
+        using ContainedType = Type;
         constexpr Mat() noexcept
         {
             clear();