.../big_pipe/src/Render/Placeholder/BigPipeStrategy.php |  2 +-
 core/modules/block/src/BlockViewBuilder.php             | 17 +++++++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php b/core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php
index c4df41b..a475ed8 100644
--- a/core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php
+++ b/core/modules/big_pipe/src/Render/Placeholder/BigPipeStrategy.php
@@ -221,7 +221,7 @@ protected static function createBigPipeJsPlaceholder($original_placeholder, arra
         $callable[1] .= 'Preview';
       }
       if (is_callable($callable)) {
-        $interface_preview = $callable();
+        $interface_preview = call_user_func_array($callable, $placeholder_render_array['#lazy_builder'][1]);
         assert('is_array($interface_preview)', "Interface preview for $original_placeholder must be a render array.");
       }
 
diff --git a/core/modules/block/src/BlockViewBuilder.php b/core/modules/block/src/BlockViewBuilder.php
index 3b20d7b..6b054ad 100644
--- a/core/modules/block/src/BlockViewBuilder.php
+++ b/core/modules/block/src/BlockViewBuilder.php
@@ -191,6 +191,23 @@ public static function lazyBuilder($entity_id, $view_mode) {
   }
 
   /**
+   * Interface preview for ::lazyBuilder().
+   */
+  public static function lazyBuilderPreview($entity_id) {
+    $block = Block::load($entity_id);
+    return [
+      '#theme' => 'block',
+      '#attributes' => [],
+      '#configuration' => ['provider' => 'preview'],
+      '#plugin_id' => 'preview__'  . $block->getPluginId(),
+      '#base_plugin_id' => '',
+      '#derivative_plugin_id' => '',
+      '#id' => 'preview__' . $entity_id,
+      'content' => [],
+    ];
+  }
+
+  /**
    * #pre_render callback for building a block.
    *
    * Renders the content using the provided block plugin, and then: