diff --git a/modules/flag_lists_actions/src/FlagListsActionsActionListBuilder.php b/modules/flag_lists_actions/src/FlagListsActionsActionListBuilder.php
index 99154a8..5954c29 100644
--- a/modules/flag_lists_actions/src/FlagListsActionsActionListBuilder.php
+++ b/modules/flag_lists_actions/src/FlagListsActionsActionListBuilder.php
@@ -26,6 +26,13 @@ class FlagListsActionsActionListBuilder extends ActionListBuilder {
    */
   protected $flagListsService;
 
+  /**
+   * The Config Factory.
+   *
+   * @var \Drupal\Core\Config\ConfigFactoryInterface
+   */
+  protected $configFactory;
+
   /**
    * Constructs a new ActionListBuilder object.
    *