diff --git a/HttpServer/Events/OnWorkerStart.php b/HttpServer/Events/OnWorkerStart.php
index db9e0db6..1abfcd0e 100644
--- a/HttpServer/Events/OnWorkerStart.php
+++ b/HttpServer/Events/OnWorkerStart.php
@@ -72,7 +72,7 @@ class OnWorkerStart extends Callback
                         Coroutine::sleep(1);
                     }
                 }
-                $server->stop($server->worker_id, true);
+                $server->stop($server->worker_pid);
             } catch (\Throwable $exception) {
                 $this->addError($exception);
             }