diff --git a/core/modules/user/lib/Drupal/user/Tests/UserAdminLanguageTest.php b/core/modules/user/lib/Drupal/user/Tests/UserAdminLanguageTest.php
index 43e8f64..8b5534c 100644
--- a/core/modules/user/lib/Drupal/user/Tests/UserAdminLanguageTest.php
+++ b/core/modules/user/lib/Drupal/user/Tests/UserAdminLanguageTest.php
@@ -48,7 +48,7 @@ public function setUp() {
     // User to add and remove language.
     $this->adminUser = $this->drupalCreateUser(array('administer languages', 'access administration pages'));
     // User to check non-admin access.
-    $this->regular_user = $this->drupalCreateUser();
+    $this->regularUser = $this->drupalCreateUser();
   }
 
   /**