diff --git a/core/modules/forum/lib/Drupal/forum/ForumBreadcrumbBuilder.php b/core/modules/forum/lib/Drupal/forum/ForumBreadcrumbBuilder.php
index cf1d148..6128aa8 100644
--- a/core/modules/forum/lib/Drupal/forum/ForumBreadcrumbBuilder.php
+++ b/core/modules/forum/lib/Drupal/forum/ForumBreadcrumbBuilder.php
@@ -59,22 +59,20 @@ public function __construct(EntityManagerInterface $entity_manager, ConfigFactor
    * {@inheritdoc}
    */
   public function applies(array $attributes) {
-    return !empty($attributes[RouteObjectInterface::ROUTE_NAME]);
+    return !empty($attributes[RouteObjectInterface::ROUTE_NAME])
+    && (($attributes[RouteObjectInterface::ROUTE_NAME] == 'node.view' && isset($attributes['node']) && $this->forumManager->checkNodeType($attributes['node']))
+      || ($attributes[RouteObjectInterface::ROUTE_NAME] == 'forum.page' && isset($attributes['taxonomy_term']))
+    );
   }
 
   /**
    * {@inheritdoc}
    */
   public function build(array $attributes) {
-    $route_name = $attributes[RouteObjectInterface::ROUTE_NAME];
-
-    if ($route_name == 'node.view' && isset($attributes['node'])) {
-      if ($this->forumManager->checkNodeType($attributes['node'])) {
-        return $this->forumPostBreadcrumb($attributes['node']);
-      }
+    if ($attributes[RouteObjectInterface::ROUTE_NAME] == 'node.view') {
+      return $this->forumPostBreadcrumb($attributes['node']);
     }
-
-    if ($route_name == 'forum.page' && isset($attributes['taxonomy_term'])) {
+    elseif ($attributes[RouteObjectInterface::ROUTE_NAME] == 'forum.page') {
       return $this->forumTermBreadcrumb($attributes['taxonomy_term']);
     }
   }