diff --git a/deps/ox/src/ox/std/typetraits.hpp b/deps/ox/src/ox/std/typetraits.hpp
index fbc92709..5810b245 100644
--- a/deps/ox/src/ox/std/typetraits.hpp
+++ b/deps/ox/src/ox/std/typetraits.hpp
@@ -159,11 +159,11 @@ constexpr bool is_class_v = is_class<T>();
 template<typename T>
 constexpr bool is_signed_v = integral_constant<bool, T(-1) < T(0)>::value;
 
-template<typename T, std::size_t bits>
-concept Signed_c = is_signed_v<T> && sizeof(T) == 8 * bits;
+template<typename T, std::size_t bits = sizeof(T) * 8>
+concept Signed_c = is_signed_v<T> && sizeof(T) == bits / 8;
 
-template<typename T, std::size_t bits>
-concept Unsigned_c = !is_signed_v<T> && sizeof(T) == 8 * bits;
+template<typename T, std::size_t bits = sizeof(T) * 8>
+concept Unsigned_c = !is_signed_v<T> && sizeof(T) == bits / 8;
 
 template<typename T, typename U>
 struct is_same: false_type {};