diff --git a/core/lib/Drupal/Core/Config/Entity/DraggableListBuilder.php b/core/lib/Drupal/Core/Config/Entity/DraggableListBuilder.php
index e3eada9..3fea947 100644
--- a/core/lib/Drupal/Core/Config/Entity/DraggableListBuilder.php
+++ b/core/lib/Drupal/Core/Config/Entity/DraggableListBuilder.php
@@ -118,8 +118,13 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     );
 
     $this->entities = $this->load();
+    $delta = 10;
+    // Change the delta of the weight field if have more than 20 entities.
     if (!empty($this->weightKey)) {
-      $delta = ceil(count($this->entities) / 2);
+      $count = count($this->entities);
+      if ($count > 20) {
+        $delta = ceil(count($this->entities) / 2);
+      }
     }
     foreach ($this->entities as $entity) {
       $row = $this->buildRow($entity);