diff --git a/core/lib/Drupal/Core/Render/Element/Radio.php b/core/lib/Drupal/Core/Render/Element/Radio.php
index 108c14e..501da61 100644
--- a/core/lib/Drupal/Core/Render/Element/Radio.php
+++ b/core/lib/Drupal/Core/Render/Element/Radio.php
@@ -71,7 +71,6 @@ public static function preRenderRadio($element) {
       if ($element['#return_value'] === 0) {
         $element['#return_value'] = '0';
       }
-
       if ($element['#value'] == $element['#return_value']) {
         $element['#attributes']['checked'] = 'checked';
       }
diff --git a/core/modules/system/tests/modules/form_test/src/Form/FormTestRadiosCheckedForm.php b/core/modules/system/tests/modules/form_test/src/Form/FormTestRadiosCheckedForm.php
index 7be930b..e7e594e 100644
--- a/core/modules/system/tests/modules/form_test/src/Form/FormTestRadiosCheckedForm.php
+++ b/core/modules/system/tests/modules/form_test/src/Form/FormTestRadiosCheckedForm.php
@@ -37,7 +37,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
         'bar' => '<em>Bar - radios</em>',
         '>' => "<em>Special Char</em><script>alert('radios');</script>",
       ),
-      '#default_value' => 0
+      '#default_value' => 0,
     );
     $form['radios-string'] = array(
       '#type' => 'radios',