diff --git a/packages/pl-fe/vite.config.ts b/packages/pl-fe/vite.config.ts
index 96ae243c8..fbb3287f4 100644
--- a/packages/pl-fe/vite.config.ts
+++ b/packages/pl-fe/vite.config.ts
@@ -31,6 +31,7 @@ const config = defineConfig(({ command }) => ({
   server: {
     port: Number(process.env.PORT ?? 7312),
     hmr: process.env.HMR_DISABLED === 'true' ? false : undefined,
+    ws: process.env.WS_DISABLED === 'true' ? false : undefined,
   },
   plugins: [
     checker({ typescript: true }),