diff --git a/core/modules/taxonomy/lib/Drupal/taxonomy/TermFormController.php b/core/modules/taxonomy/lib/Drupal/taxonomy/TermFormController.php
index 09cd392..4dd80cd 100644
--- a/core/modules/taxonomy/lib/Drupal/taxonomy/TermFormController.php
+++ b/core/modules/taxonomy/lib/Drupal/taxonomy/TermFormController.php
@@ -67,7 +67,7 @@ public function form(array $form, array &$form_state, EntityInterface $term) {
 
       // A term can't be the child of itself, nor of its children.
       foreach ($children as $child) {
-        $exclude[] = $child->id();
+        $exclude[] = $child->tid;
       }
       $exclude[] = $term->id();
 
diff --git a/core/modules/taxonomy/taxonomy.pages.inc b/core/modules/taxonomy/taxonomy.pages.inc
index db12e91..72c1fb1 100644
--- a/core/modules/taxonomy/taxonomy.pages.inc
+++ b/core/modules/taxonomy/taxonomy.pages.inc
@@ -25,7 +25,7 @@ function taxonomy_term_page(Term $term) {
   $current = $term;
   while ($parents = taxonomy_term_load_parents($current->id())) {
     $current = array_shift($parents);
-    $breadcrumb[] = l($term->label(), 'taxonomy/term/' . $current->id());
+    $breadcrumb[] = l($current->label(), 'taxonomy/term/' . $current->id());
   }
   $breadcrumb[] = l(t('Home'), NULL);
   $breadcrumb = array_reverse($breadcrumb);