diff --git a/packages/server/src/api/controllers/static/index.ts b/packages/server/src/api/controllers/static/index.ts
index a2ee8b2a44..bbe852185e 100644
--- a/packages/server/src/api/controllers/static/index.ts
+++ b/packages/server/src/api/controllers/static/index.ts
@@ -469,7 +469,7 @@ export const serveClientLibrary = async function (
 
 export const serveServiceWorker = async function (ctx: Ctx) {
   const serviceWorkerContent = `
-  self.addEventListener('install', () => {
+    self.addEventListener('install', () => {
     self.skipWaiting();
   });`