diff --git a/core/modules/user/user.admin.inc b/core/modules/user/user.admin.inc
index 245aa3f..54107f4 100644
--- a/core/modules/user/user.admin.inc
+++ b/core/modules/user/user.admin.inc
@@ -346,7 +346,7 @@ function user_admin_settings($form, &$form_state) {
     '#title' => t('User login'),
   );
   $form['user_login']['user_login_method'] = array(
-    '#type' => 'select',
+    '#type' => 'radios',
     '#title' => t('Login credentials'),
     '#description' => t('The details users may use to identify themselves.'),
     '#options' => array(