diff --git a/web/static/js/router.js b/web/static/js/router.js
index 8c9773a..2569d22 100644
--- a/web/static/js/router.js
+++ b/web/static/js/router.js
@@ -34,7 +34,7 @@ function parseHash(hash) {
   const clean = hash || '#/templates';
   const parts = clean.split('/');
   if (parts.length >= 3) {
-    return { base: parts.slice(0, 3).join('/'), param: parts[3] || null };
+    return { base: parts.slice(0, 2).join('/'), param: parts.slice(2).join('/') };
   }
   return { base: clean, param: null };
 }