diff --git a/libs/math/include/psemek/math/box.hpp b/libs/math/include/psemek/math/box.hpp
index 407be6d1..24aa6924 100644
--- a/libs/math/include/psemek/math/box.hpp
+++ b/libs/math/include/psemek/math/box.hpp
@@ -1,6 +1,5 @@
 #pragma once
 
-#include <psemek/math/detail/array.hpp>
 #include <psemek/math/interval.hpp>
 #include <psemek/math/point.hpp>
 
@@ -13,7 +12,7 @@ namespace psemek::math
 	template <typename T, std::size_t N>
 	struct box
 	{
-		typename detail::array<interval<T>, N>::type axes;
+		interval<T> axes[N];
 
 		using point_type = point<T, N>;
 		using vector_type = vector<T, N>;