diff --git a/include/fmt/xchar.h b/include/fmt/xchar.h
index 6439290df9fac..213d7b75bd1f4 100644
--- a/include/fmt/xchar.h
+++ b/include/fmt/xchar.h
@@ -188,7 +188,8 @@ template <typename OutputIt, typename S, typename... T,
           typename Char = detail::format_string_char_t<S>,
           FMT_ENABLE_IF(detail::is_output_iterator<OutputIt, Char>::value&&
                             detail::is_exotic_char<Char>::value)>
-inline auto format_to(OutputIt out, const S& format_str, T&&... args) -> OutputIt {
+inline auto format_to(OutputIt out, const S& format_str, T&&... args)
+    -> OutputIt {
   return vformat_to(out, fmt::basic_string_view<Char>(format_str),
                     fmt::make_format_args<buffered_context<Char>>(args...));
 }