diff --git a/packages/schema/src/config/app.ts b/packages/schema/src/config/app.ts
index 3da32d74f4..7b597244eb 100644
--- a/packages/schema/src/config/app.ts
+++ b/packages/schema/src/config/app.ts
@@ -274,7 +274,9 @@ export default defineUntypedSchema({
      * Customize Nuxt Nuxt SpaLoader element attributes.
      * @type {typeof import('@unhead/schema').HtmlAttributes}
      */
-    spaLoaderAttrs: {},
+    spaLoaderAttrs: {
+      id: '__nuxt-loader',
+    },
   },
 
   /**