diff --git a/simple_sitemap.routing.yml b/simple_sitemap.routing.yml
index 38cc8d1ca74589a29011e65d22907d6a3427850c..89d5ec6ab4ef37e00fd5adefaef9fefd02b59957 100644
--- a/simple_sitemap.routing.yml
+++ b/simple_sitemap.routing.yml
@@ -23,6 +23,7 @@ simple_sitemap.sitemap_xsl:
   defaults:
     _controller: '\Drupal\simple_sitemap\Controller\SimplesitemapController::getSitemapXsl'
     _title: 'Sitemap XSL'
+    _disable_route_normalizer: 'TRUE'
   requirements:
     _access: 'TRUE'