diff --git a/libs/math/include/psemek/math/swizzle.hpp b/libs/math/include/psemek/math/swizzle.hpp
index a60e5f0e..d2232c9f 100644
--- a/libs/math/include/psemek/math/swizzle.hpp
+++ b/libs/math/include/psemek/math/swizzle.hpp
@@ -24,7 +24,7 @@ namespace psemek::math
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Warray-bounds"
 
-	template <std::size_t ... I>
+	template <int ... I>
 	constexpr auto swizzle = [](auto const & x){
 		static_assert(((I == -1 || I < std::decay_t<decltype(x)>::static_dimension) && ...));
 		using result = typename detail::swizzle_rebind<std::decay_t<decltype(x)>>::template type<sizeof...(I)>;