reverted:
--- b/src/Plugin/PanelizerEntity/PanelizerNode.php
+++ a/src/Plugin/PanelizerEntity/PanelizerNode.php
@@ -25,7 +25,6 @@
   public function getDefaultDisplay(EntityViewDisplayInterface $display, $bundle, $view_mode) {
     $panels_display = parent::getDefaultDisplay($display, $bundle, $view_mode)
       ->setPageTitle('[node:title]');
-    $panels_display->setConfiguration(['label' => $this->t('Default')] + $panels_display->getConfiguration());
 
     // Remove the 'title' block because it's covered already.
     foreach ($panels_display->getRegionAssignments() as $region => $blocks) {
diff -u b/src/Plugin/PanelizerEntityBase.php b/src/Plugin/PanelizerEntityBase.php
--- b/src/Plugin/PanelizerEntityBase.php
+++ b/src/Plugin/PanelizerEntityBase.php
@@ -70,6 +70,7 @@
   public function getDefaultDisplay(EntityViewDisplayInterface $display, $bundle, $view_mode) {
     $panels_display = $this->panelsManager->createDisplay();
 
+    $panels_display->setConfiguration(['label' => $this->t('Default')] + $panels_display->getConfiguration());
     $panels_display->setLayout('onecol');
     // @todo: For now we always use the IPE, but we should support not using the ipe.
     $panels_display->setBuilder('ipe');