diff --git a/app/services/Sitemap.ts b/app/services/Sitemap.ts
index c38fd7b..90e30bf 100644
--- a/app/services/Sitemap.ts
+++ b/app/services/Sitemap.ts
@@ -46,7 +46,7 @@ class Sitemap {
 
   private prependSitemap(): void {
     this.sitemap = `<?xml version="1.0" encoding="UTF-8"?>`;
-    this.sitemap += `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap-image/1.1">`;
+    this.sitemap += `<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"`;
   }
 
   private appendSitemap(): void {