diff --git a/core/modules/content_translation/content_translation.module b/core/modules/content_translation/content_translation.module
index 88a772b..4ab249f 100644
--- a/core/modules/content_translation/content_translation.module
+++ b/core/modules/content_translation/content_translation.module
@@ -811,7 +811,7 @@ function content_translation_language_configuration_element_process(array $eleme
   if (empty($element['#content_translation_skip_alter']) && user_access('administer content translation')) {
     $form_state['content_translation']['key'] = $element['#name'];
     $context = $form_state['language'][$element['#name']];
-    $element['#attached']['library'][] = array('content_translation', 'drupal.content_translation.admin');
+    $element['#attached']['library'][] = 'content_translation/drupal.content_translation.admin';
 
     if (isset($element['langcode'])) {
       // Add CSS classes for easier JS selection.