diff --git a/core/lib/Drupal/Core/Render/Element/Select.php b/core/lib/Drupal/Core/Render/Element/Select.php
index 7394614bb9..fa2e7377c1 100644
--- a/core/lib/Drupal/Core/Render/Element/Select.php
+++ b/core/lib/Drupal/Core/Render/Element/Select.php
@@ -154,7 +154,7 @@ public static function processSelect(&$element, FormStateInterface $form_state,
     }
     // Provide the correct default value for #sort_start.
     $element['#sort_start'] = $element['#sort_start'] ??
-      ((isset($element['#empty_value'])) ? 1 : 0);
+      (isset($element['#empty_value']) ? 1 : 0);
     return $element;
   }
 
diff --git a/core/modules/system/tests/modules/form_test/src/Form/FormTestSelectForm.php b/core/modules/system/tests/modules/form_test/src/Form/FormTestSelectForm.php
index cd8542c68e..becdef1618 100644
--- a/core/modules/system/tests/modules/form_test/src/Form/FormTestSelectForm.php
+++ b/core/modules/system/tests/modules/form_test/src/Form/FormTestSelectForm.php
@@ -133,7 +133,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     ];
 
     // Add a select to test sorting at the top level, and with some of the
-    // option groups sorted, some left alone, and at least one with sort start
+    // option groups sorted, some left alone, and at least one with #sort_start
     // set to a non-default value.
     $sortable_options = $this->makeSortableOptions('sso');
     $sortable_options['sso_zzgroup']['#sort_options'] = TRUE;
@@ -147,7 +147,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     ];
 
     // Add a select to test sorting with a -NONE- option included,
-    // and a sort start set.
+    // and #sort_start set.
     $sortable_none_options = $this->makeSortableOptions('sno');
     $sortable_none_options['sno_zzgroup']['#sort_options'] = TRUE;
     $form['sorted_none'] = [
@@ -159,7 +159,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     ];
 
     // Add a select to test sorting with a -NONE- option included,
-    // and sort start not set.
+    // and #sort_start not set.
     $sortable_none_nostart_options = $this->makeSortableOptions('snn');
     $sortable_none_nostart_options['snn_zzgroup']['#sort_options'] = TRUE;
     $form['sorted_none_nostart'] = [