diff --git a/runtime/rpc_server.cpp b/runtime/rpc_server.cpp
index 6fedf84..5b1fe0b 100644
--- a/runtime/rpc_server.cpp
+++ b/runtime/rpc_server.cpp
@@ -1,5 +1,6 @@
 #include "rpc_server.hpp"
 #include "json.hpp"
+#include <memory>
 #include <netinet/in.h>
 #include <sys/socket.h>
 #include <unistd.h>
@@ -57,7 +58,7 @@ auto slige_rpc::RpcServer<Functor>::listen() -> Res<Unit>
                     continue;
                 }
                 auto req = sliger::json::parse_json(message);
-                auto writer = BufferedWriter(client);
+                auto writer = std::make_unique<BufferedWriter>(client);
                 this->functor(req, std::move(writer));
                 message.clear();
                 break;