diff --git a/app/Form/Actions/UpdateParticipantSearchIndexAction.php b/app/Form/Actions/UpdateParticipantSearchIndexAction.php
index ceba60e3..450af0ea 100644
--- a/app/Form/Actions/UpdateParticipantSearchIndexAction.php
+++ b/app/Form/Actions/UpdateParticipantSearchIndexAction.php
@@ -20,7 +20,7 @@ class UpdateParticipantSearchIndexAction
             [
                 'filterableAttributes' => [...$form->getFields()->filterables()->getKeys(), 'parent-id'],
                 'searchableAttributes' => $form->getFields()->searchables()->getKeys(),
-                'sortableAttributes' => $form->getFields()->sortables()->getKeys(),
+                'sortableAttributes' => [...$form->getFields()->sortables()->getKeys(), 'id'],
                 'displayedAttributes' => [...$form->getFields()->filterables()->getKeys(), ...$form->getFields()->searchables()->getKeys(), 'id'],
                 'pagination' => [
                     'maxTotalHits' => 1000000,
diff --git a/app/Form/Models/Form.php b/app/Form/Models/Form.php
index b7c6cdab..dd6741f2 100644
--- a/app/Form/Models/Form.php
+++ b/app/Form/Models/Form.php
@@ -186,6 +186,6 @@ class Form extends Model implements HasMedia
 
     public function defaultSorting(): Sorting
     {
-        return Sorting::by(data_get($this->meta, 'active_columns.0'));
+        return Sorting::by(data_get($this->meta, 'active_columns.0', 'id'));
     }
 }