diff --git a/src/runtime/inertia/stubs.ts b/src/runtime/inertia/stubs.ts
index d923780fd8..ab85df97d9 100644
--- a/src/runtime/inertia/stubs.ts
+++ b/src/runtime/inertia/stubs.ts
@@ -78,7 +78,7 @@ const hooks = createHooks()
 export function useNuxtApp() {
   return {
     isHydrating: true,
-    payload: { serverRendered: false },
+    payload: { serverRendered: typeof window === 'undefined' },
     hooks,
     hook: hooks.hook
   }