diff --git a/deps/ox/src/ox/std/fmt.hpp b/deps/ox/src/ox/std/fmt.hpp
index bc8d9a49..a7558c1c 100644
--- a/deps/ox/src/ox/std/fmt.hpp
+++ b/deps/ox/src/ox/std/fmt.hpp
@@ -81,16 +81,16 @@ class FmtArg {
 
 	private:
 		static constexpr auto DataSz = 23;
-		char dataStr[DataSz] = {};
+		ox::Array<char, DataSz> dataStr{};
 
 		template<typename T>
-		constexpr StringView sv(const T &v, char *dataStr) noexcept {
+		constexpr StringView sv(const T &v, ox::Span<char> dataStr) noexcept {
 			if constexpr(is_bool_v<T>) {
 				return v ? "true" : "false";
 			} else if constexpr(is_integer_v<T>) {
-				ox::CharBuffWriter w(dataStr, DataSz);
+				ox::CharBuffWriter w(dataStr.data(), DataSz);
 				std::ignore = ox::writeItoa(v, w);
-				return dataStr;
+				return dataStr.data();
 			} else {
 				return toStringView(v);
 			}