diff --git a/core/modules/views/lib/Drupal/views/Plugin/views/field/Boolean.php b/core/modules/views/lib/Drupal/views/Plugin/views/field/Boolean.php
index 5a9ae65..2ec4c2f 100644
--- a/core/modules/views/lib/Drupal/views/Plugin/views/field/Boolean.php
+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/Boolean.php
@@ -35,7 +35,7 @@ class Boolean extends FieldPluginBase {
   protected function defineOptions() {
     $options = parent::defineOptions();
     $options['type'] = array('default' => 'yes-no');
-    $options['not'] = array('definition bool' => 'reverse');
+    $options['not'] = array('default' => 'reverse', 'bool' => TRUE);
 
     return $options;
   }