diff --git a/include/magic_enum/magic_enum.hpp b/include/magic_enum/magic_enum.hpp
index c889886..cbd388f 100644
--- a/include/magic_enum/magic_enum.hpp
+++ b/include/magic_enum/magic_enum.hpp
@@ -329,11 +329,11 @@ class static_str {
 template <>
 class static_str<0> {
  public:
-  constexpr explicit static_str() = default;
+  constexpr static_str() noexcept = default;
 
-  constexpr explicit static_str(str_view) noexcept {}
+  constexpr static_str(str_view) noexcept {}
 
-  constexpr explicit static_str(string_view) noexcept {}
+  constexpr static_str(string_view) noexcept {}
 
   constexpr const char_type* data() const noexcept { return nullptr; }
 
diff --git a/include/magic_enum/magic_enum_format.hpp b/include/magic_enum/magic_enum_format.hpp
index eadceec..342dec4 100644
--- a/include/magic_enum/magic_enum_format.hpp
+++ b/include/magic_enum/magic_enum_format.hpp
@@ -59,6 +59,8 @@ std::string format_as(E e) {
 
 #if defined(__cpp_lib_format)
 
+#include <format>
+
 template <typename E>
 struct std::formatter<E, std::enable_if_t<std::is_enum_v<std::decay_t<E>>, char>> : std::formatter<std::string_view, char> {
   template <class FormatContext>