diff --git a/core/modules/field_ui/src/Form/EntityDisplayModeFormBase.php b/core/modules/field_ui/src/Form/EntityDisplayModeFormBase.php
index 4d1538f..bbc0c79 100644
--- a/core/modules/field_ui/src/Form/EntityDisplayModeFormBase.php
+++ b/core/modules/field_ui/src/Form/EntityDisplayModeFormBase.php
@@ -87,6 +87,7 @@ public function form(array $form, FormStateInterface $form_state) {
       '#title' => $this->t('Name'),
       '#maxlength' => 100,
       '#default_value' => $this->entity->label(),
+      '#label_attributes' => ['class' => ['form-required']],
     ];
 
     $form['id'] = [