diff --git a/include/ylt/coro_rpc/impl/coro_rpc_server.hpp b/include/ylt/coro_rpc/impl/coro_rpc_server.hpp
index 527a005b6..9786912e3 100644
--- a/include/ylt/coro_rpc/impl/coro_rpc_server.hpp
+++ b/include/ylt/coro_rpc/impl/coro_rpc_server.hpp
@@ -131,7 +131,7 @@ class coro_rpc_server_base {
       }
       ec = listen();
       if (ec == std::errc{}) {
-        if constexpr (requires(typename server_config::executor_pool_t &pool) {
+        if constexpr (requires(typename server_config::executor_pool_t & pool) {
                         pool.run();
                       }) {
           thd_ = std::thread([this] {
diff --git a/include/ylt/coro_rpc/impl/router.hpp b/include/ylt/coro_rpc/impl/router.hpp
index 744a5b329..0e85aa96d 100644
--- a/include/ylt/coro_rpc/impl/router.hpp
+++ b/include/ylt/coro_rpc/impl/router.hpp
@@ -37,8 +37,9 @@ using rpc_context = std::shared_ptr<context_info_t<rpc_protocol>>;
 
 namespace protocol {
 template <typename T, auto func>
-concept has_gen_register_key =
-    requires() { T::template gen_register_key<func>(); };
+concept has_gen_register_key = requires() {
+  T::template gen_register_key<func>();
+};
 
 template <typename rpc_protocol,
           template <typename...> typename map_t = std::unordered_map>