diff --git a/src/server/start.ts b/src/server/start.ts
index 8f6b66a..557d724 100644
--- a/src/server/start.ts
+++ b/src/server/start.ts
@@ -38,7 +38,7 @@ export async function startup<ED extends EntityDict & BaseEntityDict, FrontCxt e
     omitWatchers?: boolean,
     omitTimers?: boolean,
     routine?: (context: AsyncContext<ED>) => Promise<void>,
-): Promise<(() => void )| undefined> {
+): Promise<(() => Promise<void> )| undefined> {
     const serverConfiguration: ServerConfiguration = require(join(
         path,
         'lib',
@@ -307,8 +307,8 @@ export async function startup<ED extends EntityDict & BaseEntityDict, FrontCxt e
     });
 
     const shutdown = async () => {
-        httpServer.close();
-        koa.removeAllListeners();
+        await httpServer.close();
+        await koa.removeAllListeners();
         await appLoader.unmount();
     }