diff --git a/package.json b/package.json
index 5c847027..9655fc4d 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "preview": "svelte-kit preview",
     "lint": "prettier --ignore-path .gitignore  --check --plugin-search-dir=. . && eslint --ignore-path .gitignore .",
     "format": "prettier --ignore-path .gitignore --write --plugin-search-dir=. .",
-    "postbuild": "svelte-sitemap --domain https://fantinel.dev"
+    "postbuild": "svelte-sitemap --domain https://fantinel.dev --trailing-slashes true"
   },
   "devDependencies": {
     "@sveltejs/adapter-static": "^1.0.0-next.29",