diff --git a/core/lib/Drupal/Core/Render/Element.php b/core/lib/Drupal/Core/Render/Element.php
index b27c1d6..462efa9 100644
--- a/core/lib/Drupal/Core/Render/Element.php
+++ b/core/lib/Drupal/Core/Render/Element.php
@@ -127,7 +127,7 @@ public static function getVisibleChildren(array $elements) {
       }
 
       // Skip value and hidden elements, since they are not rendered.
-      if (static::isVisibleElement($child)) {
+      if (!static::isVisibleElement($child)) {
         continue;
       }