diff --git a/include/fmt/chrono.h b/include/fmt/chrono.h
index b6a49da3..8bd16805 100644
--- a/include/fmt/chrono.h
+++ b/include/fmt/chrono.h
@@ -894,7 +894,7 @@ struct chrono_formatter {
   void write_pinf() { std::copy_n("inf", 3, out); }
   void write_ninf() { std::copy_n("-inf", 4, out); }
 
-  void format_localized(const tm& time, const char_type* format) {
+  void format_localized(const tm& time, const char* format) {
     if (isnan(val)) return write_nan();
     auto locale = context.locale().template get<std::locale>();
     auto& facet = std::use_facet<std::time_put<char_type>>(locale);