diff --git a/core/lib/Drupal/Core/Entity/Routing/DefaultHtmlRouteProvider.php b/core/lib/Drupal/Core/Entity/Routing/DefaultHtmlRouteProvider.php
index 2873563..5d40090 100644
--- a/core/lib/Drupal/Core/Entity/Routing/DefaultHtmlRouteProvider.php
+++ b/core/lib/Drupal/Core/Entity/Routing/DefaultHtmlRouteProvider.php
@@ -249,13 +249,13 @@ protected function getCanonicalRoute(EntityTypeInterface $entity_type) {
   protected function getUuidRoute(EntityTypeInterface $entity_type) {
     if ($entity_type->getKey('uuid') && $entity_type->hasViewBuilderClass()) {
       $entity_type_id = $entity_type->id();
-      $route = new Route("/{$entity_type_id}/{{$entity_type_id}}");
+      $route = new Route('/' . $entity_type_id . '/{' . $entity_type_id . '}');
       $route
         ->addDefaults([
-          '_entity_view' => "{$entity_type_id}.full",
+          '_entity_view' => $entity_type_id . '.full',
           '_title_callback' => '\Drupal\Core\Entity\Controller\EntityController::title',
         ])
-        ->setRequirement('_entity_access', "{$entity_type_id}.view")
+        ->setRequirement('_entity_access', $entity_type_id . '.view')
         ->setOption('parameters', [
           $entity_type_id => ['type' => 'entity:' . $entity_type_id],
         ])