diff --git a/core/lib/Drupal/Core/TypedData/Type/Map.php b/core/lib/Drupal/Core/TypedData/Type/Map.php
index 4bb802d..d2bd160 100644
--- a/core/lib/Drupal/Core/TypedData/Type/Map.php
+++ b/core/lib/Drupal/Core/TypedData/Type/Map.php
@@ -239,5 +239,6 @@ public function applyDefaultValue($notify = TRUE) {
     foreach ($this->getProperties() as $property) {
       $property->applyDefaultValue(FALSE);
     }
+    return $this;
   }
 }
diff --git a/core/modules/forum/forum.module b/core/modules/forum/forum.module
index ef2865f..ae02f4c 100644
--- a/core/modules/forum/forum.module
+++ b/core/modules/forum/forum.module
@@ -334,7 +334,7 @@ function forum_node_presave(EntityInterface $node) {
     $langcode = key($node->taxonomy_forums);
     if (!empty($node->taxonomy_forums[$langcode])) {
       $node->forum_tid = $node->taxonomy_forums[$langcode][0]['tid'];
-      // Only do a shadow copy check if this is not a new node.
+      // Only do a shadow copy if this is not a new node.
       if (!$node->isNew()) {
         $old_tid = db_query_range("SELECT f.tid FROM {forum} f INNER JOIN {node} n ON f.vid = n.vid WHERE n.nid = :nid ORDER BY f.vid DESC", 0, 1, array(':nid' => $node->nid))->fetchField();
         if ($old_tid && isset($node->forum_tid) && ($node->forum_tid != $old_tid) && !empty($node->shadow)) {
diff --git a/core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php b/core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php
index ef07e78..f8e35c4 100644
--- a/core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php
+++ b/core/modules/views_ui/lib/Drupal/views_ui/ViewUI.php
@@ -1139,6 +1139,6 @@ public function onChange($property_name) {
    * Implements \Drupal\Core\TypedData\TypedDataInterface::applyDefaultValue().
    */
   public function applyDefaultValue($notify = TRUE) {
-    $this->storage->applyDefaultValue($notify);
+    return $this->storage->applyDefaultValue($notify);
   }
 }