diff --git a/deps/ox/src/ox/std/uuid.hpp b/deps/ox/src/ox/std/uuid.hpp
index 031222be..f3ea2131 100644
--- a/deps/ox/src/ox/std/uuid.hpp
+++ b/deps/ox/src/ox/std/uuid.hpp
@@ -175,28 +175,9 @@ class UUID {
 		[[nodiscard]]
 		constexpr UUIDStr toString() const noexcept {
 			UUIDStr out;
-			auto valueI = 0u;
-			constexpr auto printChars = [](
-					UUIDStr *out,
-					const Array<uint8_t, 16> &value,
-					std::size_t cnt,
-					unsigned &valueI) {
-				for (auto i = 0u; i < cnt; ++i) {
-					const auto v = value[valueI];
-					const auto h = detail::toHex(v);
-					oxIgnoreError(out->append(h.c_str(), h.len()));
-					++valueI;
-				}
-			};
-			printChars(&out, m_value, 4, valueI);
-			out += "-";
-			printChars(&out, m_value, 2, valueI);
-			out += "-";
-			printChars(&out, m_value, 2, valueI);
-			out += "-";
-			printChars(&out, m_value, 2, valueI);
-			out += "-";
-			printChars(&out, m_value, 6, valueI);
+			ox::CharBuffWriter bw(out.data(), out.cap());
+			oxIgnoreError(toString(bw));
+			out[out.cap()] = 0;
 			return out;
 		}
 };