diff --git a/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php b/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
index 8e99c32..5a5f896 100644
--- a/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
+++ b/core/modules/config_translation/src/Tests/ConfigTranslationUiTest.php
@@ -387,7 +387,7 @@ public function testContactConfigEntityTranslation() {
   public function testNodeTypeTranslation() {
     $type = Unicode::strtolower($this->randomMachineName(16));
     $name = $this->randomString();
-    $this->drupalLogin($this->admin_user);
+    $this->drupalLogin($this->adminUser);
     $this->drupalCreateContentType(array('type' => $type, 'name' => $name));
 
     // Translate the node type name.