diff --git a/core/modules/user/lib/Drupal/user/AccountFormController.php b/core/modules/user/lib/Drupal/user/AccountFormController.php
index 8f2f0c5..13da79d 100644
--- a/core/modules/user/lib/Drupal/user/AccountFormController.php
+++ b/core/modules/user/lib/Drupal/user/AccountFormController.php
@@ -156,6 +156,7 @@ public function form(array $form, array &$form_state, EntityInterface $account)
       '#type' => 'checkbox',
       '#title' => t('Notify user of new account'),
       '#access' => $register && $admin,
+      '#default_value' => $register && $admin ? TRUE,
     );
 
     // Signature.
diff --git a/core/modules/user/lib/Drupal/user/Tests/UserRolesAssignmentTest.php b/core/modules/user/lib/Drupal/user/Tests/UserRolesAssignmentTest.php
index 349b2a9..561de0f 100644
--- a/core/modules/user/lib/Drupal/user/Tests/UserRolesAssignmentTest.php
+++ b/core/modules/user/lib/Drupal/user/Tests/UserRolesAssignmentTest.php
@@ -65,7 +65,7 @@ function testCreateUserWithRole() {
       "roles[$rid]" => $rid,
     );
     $this->drupalPost('admin/people/create', $edit, t('Create new account'));
-    $this->assertText(t('Created a new user account for !name.', array('!name' => $edit['name'])));
+    $this->assertText(t('A welcome message with further instructions has been e-mailed to the new user !name.', array('!name' => $edit['name'])));
     // Get the newly added user.
     $account = user_load_by_name($edit['name']);