diff --git a/include/fmt/format-inl.h b/include/fmt/format-inl.h
index 5a9afd1ff35a..4c19bb50408e 100644
--- a/include/fmt/format-inl.h
+++ b/include/fmt/format-inl.h
@@ -147,12 +147,6 @@ FMT_API FMT_FUNC auto format_facet<std::locale>::do_put(
 }
 #endif
 
-FMT_FUNC auto vsystem_error(int error_code, string_view fmt, format_args args)
-    -> std::system_error {
-  auto ec = std::error_code(error_code, std::generic_category());
-  return std::system_error(ec, vformat(fmt, args));
-}
-
 namespace detail {
 
 template <typename F>
@@ -1434,6 +1428,12 @@ FMT_FUNC auto vformat(string_view fmt, format_args args) -> std::string {
   return to_string(buffer);
 }
 
+FMT_FUNC auto vsystem_error(int error_code, string_view fmt, format_args args)
+    -> std::system_error {
+  auto ec = std::error_code(error_code, std::generic_category());
+  return std::system_error(ec, vformat(fmt, args));
+}
+
 namespace detail {
 
 template <typename T> struct span {