diff --git a/app/Form/Resources/ParticipantResource.php b/app/Form/Resources/ParticipantResource.php
index 68235b37..ec3f3991 100644
--- a/app/Form/Resources/ParticipantResource.php
+++ b/app/Form/Resources/ParticipantResource.php
@@ -23,6 +23,7 @@ class ParticipantResource extends JsonResource
     {
         return [
             ...$this->getModel()->getFields()->present(),
+            'id' => $this->id,
             'created_at' => $this->created_at->format('Y-m-d H:i:s'),
             'created_at_display' => $this->created_at->format('d.m.Y'),
             'children_count' => $this->children_count,
diff --git a/tests/Feature/Form/ParticipantIndexActionTest.php b/tests/Feature/Form/ParticipantIndexActionTest.php
index fa73c522..07d1710c 100644
--- a/tests/Feature/Form/ParticipantIndexActionTest.php
+++ b/tests/Feature/Form/ParticipantIndexActionTest.php
@@ -35,6 +35,7 @@ class ParticipantIndexActionTest extends FormTestCase
 
         $this->callFilter('form.participant.index', [], ['form' => $form])
             ->assertOk()
+            ->assertJsonPath('data.0.id', $form->participants->first()->id)
             ->assertJsonPath('data.0.vorname', 'Max')
             ->assertJsonPath('data.0.vorname_display', 'Max')
             ->assertJsonPath('data.0.stufe', 'Pfadfinder')