diff --git a/panels.services.yml b/panels.services.yml
index a418459..a302bb7 100644
--- a/panels.services.yml
+++ b/panels.services.yml
@@ -2,3 +2,6 @@ services:
   plugin.manager.panels.display_builder:
     class: Drupal\panels\Plugin\DisplayBuilder\DisplayBuilderManager
     arguments: ['@container.namespaces', '@cache.discovery', '@module_handler']
+  panels.display_manager:
+    class: Drupal\panels\PanelsDisplayManager
+    arguments: ['@plugin.manager.display_variant']
diff --git a/src/PanelsDisplayManager.php b/src/PanelsDisplayManager.php
index 8b0b8f8..4a67ab7 100644
--- a/src/PanelsDisplayManager.php
+++ b/src/PanelsDisplayManager.php
@@ -4,7 +4,7 @@
  * Contains \Drupal\Panels\PanelsDisplayManager.
  */
 
-namespace Drupal\Panels;
+namespace Drupal\panels;
 
 use Drupal\Core\Display\VariantManager;
 use Drupal\panels\Plugin\DisplayVariant\PanelsDisplayVariant;
@@ -30,7 +30,14 @@ class PanelsDisplayManager implements PanelsDisplayManagerInterface {
    * {@inheritdoc}
    */
   public function createDisplay() {
-    return $this->variantManager->createInstance('panels_variant', []);
+    $display = $this->variantManager->createInstance('panels_variant', []);
+
+    // Set the default builder and layout.
+    // @todo: load the defaults from config somewhere.
+    $display->setBuilder('standard');
+    $display->setLayout('onecol');
+
+    return $display;
   }
 
   /**
diff --git a/src/PanelsDisplayManagerInterface.php b/src/PanelsDisplayManagerInterface.php
index bfa04a5..063556f 100644
--- a/src/PanelsDisplayManagerInterface.php
+++ b/src/PanelsDisplayManagerInterface.php
@@ -4,7 +4,7 @@
  * Contains \Drupal\panels\PanelsDisplayManagerInterface.
  */
 
-namespace Drupal\Panels;
+namespace Drupal\panels;
 
 use Drupal\panels\Plugin\DisplayVariant\PanelsDisplayVariant;