diff --git a/core/modules/translation_entity/lib/Drupal/translation_entity/EntityTranslationController.php b/core/modules/translation_entity/lib/Drupal/translation_entity/EntityTranslationController.php
index 906248a..5b0284d 100644
--- a/core/modules/translation_entity/lib/Drupal/translation_entity/EntityTranslationController.php
+++ b/core/modules/translation_entity/lib/Drupal/translation_entity/EntityTranslationController.php
@@ -274,6 +274,7 @@ public function entityFormAlter(array &$form, array &$form_state, EntityInterfac
           '#default_value' => $translate,
           '#description' => t('When this option is checked, this translation needs to be updated. Uncheck when the translation is up to date again.'),
         );
+        $form['translation_entity']['#collapsed'] = FALSE;
       }
 
       $name = $new_translation ? $GLOBALS['user']->name : user_load($entity->translation[$form_langcode]['uid'])->name;
diff --git a/core/modules/translation_entity/lib/Drupal/translation_entity/Tests/EntityTranslationUITest.php b/core/modules/translation_entity/lib/Drupal/translation_entity/Tests/EntityTranslationUITest.php
index f78b799..954a401 100644
--- a/core/modules/translation_entity/lib/Drupal/translation_entity/Tests/EntityTranslationUITest.php
+++ b/core/modules/translation_entity/lib/Drupal/translation_entity/Tests/EntityTranslationUITest.php
@@ -112,16 +112,19 @@ protected function assertOutdatedStatus() {
     $this->drupalPost($langcode . '/' . $this->controller->getEditPath($entity), $edit, $this->getFormSubmitAction($entity));
     $entity = entity_load($this->entityType, $this->entityId, TRUE);
 
-    // Check that every translation has the correct "outdated" status.
+    // Check that every translation has the correct "outdated" status, and that
+    // the Translation fieldset is open if the translation is "outdated".
     foreach ($this->langcodes as $enabled_langcode) {
       $prefix = $enabled_langcode != $default_langcode ? $enabled_langcode . '/' : '';
       $path = $prefix . $this->controller->getEditPath($entity);
       $this->drupalGet($path);
       if ($enabled_langcode == $langcode) {
         $this->assertFieldByXPath('//input[@name="translation_entity[retranslate]"]', FALSE, 'The retranslate flag is not checked by default.');
+        $this->assertFalse($this->xpath('//details[@id="edit-translation-entity" and @open="open"]'), 'The translation tab should be collapsed by default.');
       }
       else {
         $this->assertFieldByXPath('//input[@name="translation_entity[outdated]"]', TRUE, 'The translate flag is checked by default.');
+        $this->assertTrue($this->xpath('//details[@id="edit-translation-entity" and @open="open"]'), 'The translation tab is correctly expanded when the translation is outdated.');
         $edit = array('translation_entity[outdated]' => FALSE);
         $this->drupalPost($path, $edit, $this->getFormSubmitAction($entity));
         $this->drupalGet($path);