diff --git a/tldraw-v1/examples/core-example-advanced/vite.config.ts b/tldraw-v1/examples/core-example-advanced/vite.config.ts
index a24bc33c1..8588b65d0 100644
--- a/tldraw-v1/examples/core-example-advanced/vite.config.ts
+++ b/tldraw-v1/examples/core-example-advanced/vite.config.ts
@@ -6,6 +6,6 @@ import tsconfigPaths from 'vite-tsconfig-paths'
 export default defineConfig({
   plugins: [react(), tsconfigPaths()],
   server: {
-    port: 5422,
+    port: 5421,
   },
 })