diff --git a/.vite/server.ts b/.vite/server.ts
index 35bc56cd1..650cd103d 100644
--- a/.vite/server.ts
+++ b/.vite/server.ts
@@ -12,7 +12,7 @@ async function createServer() {
     appType: 'custom', // don't include Vite's default HTML handling middlewares
   });
 
-  app.use(cors);
+  app.use(cors());
   app.use(express.static('./packages/mermaid/dist'));
   // app.use(express.static('./packages/mermaid-example-diagram/dist'));
   app.use(express.static('./packages/mermaid-example-diagram/dist'));