diff --git a/include/fmt/compile.h b/include/fmt/compile.h
index 49774099..fc419266 100644
--- a/include/fmt/compile.h
+++ b/include/fmt/compile.h
@@ -557,9 +557,10 @@ template <typename Char> struct runtime_named_field {
   basic_string_view<Char> name;
 
   template <typename OutputIt, typename T>
-  constexpr static bool try_format_argument(OutputIt& out,
-                                            basic_string_view<Char> arg_name,
-                                            const T& arg) {
+  constexpr static bool try_format_argument(
+      OutputIt& out,
+      // [[maybe_unused]] due to unused-but-set-parameter warning in GCC 7,8,9
+      [[maybe_unused]] basic_string_view<Char> arg_name, const T& arg) {
     if constexpr (is_named_arg<typename std::remove_cv<T>::type>::value) {
       if (arg_name == arg.name) {
         out = write<Char>(out, arg.value);