diff --git a/core/modules/locale/lib/Drupal/locale/Tests/LocaleConfigTranslationTest.php b/core/modules/locale/lib/Drupal/locale/Tests/LocaleConfigTranslationTest.php
index 453b212..77f138d 100644
--- a/core/modules/locale/lib/Drupal/locale/Tests/LocaleConfigTranslationTest.php
+++ b/core/modules/locale/lib/Drupal/locale/Tests/LocaleConfigTranslationTest.php
@@ -70,7 +70,8 @@ function testConfigTranslation() {
       'translation' => 'all',
     );
     $this->drupalPost('admin/config/regional/translate/translate', $search, t('Filter'));
-    $textarea = current($this->xpath('//textarea'));
+    $textareas = $this->xpath('//textarea');
+    $textarea = current($textareas);
     $lid = (string) $textarea[0]['name'];
     $edit = array(
       $lid => $site_name,