diff --git a/High-Performance-Order-Storage-Upgrade-Recipe-Book.md b/High-Performance-Order-Storage-Upgrade-Recipe-Book.md
index 2dd652f..a5931d5 100644
--- a/High-Performance-Order-Storage-Upgrade-Recipe-Book.md
+++ b/High-Performance-Order-Storage-Upgrade-Recipe-Book.md
@@ -172,7 +172,7 @@ use Automattic\WooCommerce\Internal\DataStores\Orders\CustomOrdersTableControlle
 add_action( 'add_meta_boxes', 'add_xyz_metabox' );
 
 function add_xyz_metabox() {
-	$screen = wc_get_container()->get( CustomOrdersTableController::class )->custom_orders_table_usage_is_enabled()
+	$screen = class_exists( '\Automattic\WooCommerce\Internal\DataStores\Orders\CustomOrdersTableController' ) && wc_get_container()->get( CustomOrdersTableController::class )->custom_orders_table_usage_is_enabled()
 		? wc_get_page_screen_id( 'shop-order' )
 		: 'shop_order';