diff --git a/include/fmt/chrono.h b/include/fmt/chrono.h
index d44a1a24..f34db132 100644
--- a/include/fmt/chrono.h
+++ b/include/fmt/chrono.h
@@ -2206,7 +2206,8 @@ template <typename Char> struct formatter<std::tm, Char> {
   detail::arg_ref<Char> width_ref_;
 
  protected:
-  basic_string_view<Char> fmt_;
+  basic_string_view<Char> fmt_ =
+      detail::string_literal<Char, '%', 'F', ' ', '%', 'T'>();
 
   template <typename Duration, typename FormatContext>
   auto do_format(const std::tm& tm, FormatContext& ctx,
@@ -2261,10 +2262,6 @@ template <typename Char> struct formatter<std::tm, Char> {
 
 template <typename Char, typename Duration>
 struct formatter<sys_time<Duration>, Char> : formatter<std::tm, Char> {
-  FMT_CONSTEXPR formatter() {
-    this->fmt_ = detail::string_literal<Char, '%', 'F', ' ', '%', 'T'>();
-  }
-
   template <typename FormatContext>
   auto format(sys_time<Duration> val, FormatContext& ctx) const
       -> decltype(ctx.out()) {
@@ -2303,10 +2300,6 @@ struct formatter<utc_time<Duration>, Char>
 
 template <typename Duration, typename Char>
 struct formatter<local_time<Duration>, Char> : formatter<std::tm, Char> {
-  FMT_CONSTEXPR formatter() {
-    this->fmt_ = detail::string_literal<Char, '%', 'F', ' ', '%', 'T'>();
-  }
-
   FMT_CONSTEXPR auto parse(parse_context<Char>& ctx) -> const Char* {
     return this->do_parse(ctx, true);
   }
diff --git a/test/chrono-test.cc b/test/chrono-test.cc
index 43f05909..8754587c 100644
--- a/test/chrono-test.cc
+++ b/test/chrono-test.cc
@@ -16,6 +16,7 @@
 
 using fmt::runtime;
 using fmt::sys_time;
+using fmt::sys_time;
 using testing::Contains;
 
 #if defined(__MINGW32__) && !defined(_UCRT)
@@ -238,8 +239,6 @@ TEST(chrono_test, format_to_empty_container) {
   EXPECT_EQ(s, "42");
 }
 
-TEST(chrono_test, empty_result) { EXPECT_EQ(fmt::format("{}", std::tm()), ""); }
-
 TEST(chrono_test, gmtime) {
   auto t = std::time(nullptr);
   auto expected = *std::gmtime(&t);
@@ -337,6 +336,11 @@ TEST(chrono_test, local_time) {
                    fmt::format_error, "no timezone");
 }
 
+TEST(chrono_test, tm) {
+  auto time = fmt::gmtime(290088000);
+  test_time(time);
+}
+
 TEST(chrono_test, daylight_savings_time_end) {
   // 2024-10-27 03:05 as the number of seconds since epoch in Europe/Kyiv time.
   // It is slightly after the DST end and passing it to to_sys will result in