diff --git a/ui-definitions/settings-pages.php b/ui-definitions/settings-pages.php
index 275fa95c..443bd0ba 100644
--- a/ui-definitions/settings-pages.php
+++ b/ui-definitions/settings-pages.php
@@ -155,6 +155,7 @@
 									'min' => 3,
 									'max' => 100,
 								),
+								'default'      => 21,
 							),
 							array(
 								'type'        => 'number',