diff --git a/backend/app/Http/Controllers/SetController.php b/backend/app/Http/Controllers/SetController.php
index b4b1e23..b6da65b 100644
--- a/backend/app/Http/Controllers/SetController.php
+++ b/backend/app/Http/Controllers/SetController.php
@@ -6,6 +6,7 @@ use App\Exceptions\NotFoundException;
 use App\Set\Set;
 use App\Set\UseCases\GetSetLayout\ElementLayoutNode;
 use App\Set\UseCases\GetSetLayout\GetSetLayout;
+use App\Set\UseCases\GetSetLayout\GetSetLayoutRequest;
 use App\Set\UseCases\ListSets\ListSets;
 use Illuminate\Http\JsonResponse;
 
@@ -31,7 +32,9 @@ class SetController extends Controller
     public function show(int $setId): JsonResponse
     {
         try {
-            $layout = $this->getSetLayout->execute($setId);
+            $layout = $this->getSetLayout->execute(
+                new GetSetLayoutRequest(setId: $setId),
+            );
         } catch (NotFoundException $exception) {
             return new JsonResponse(
                 ['error' => $exception->getMessage()],
diff --git a/backend/app/Set/UseCases/GetSetLayout/GetSetLayout.php b/backend/app/Set/UseCases/GetSetLayout/GetSetLayout.php
index 70725c2..39085e1 100644
--- a/backend/app/Set/UseCases/GetSetLayout/GetSetLayout.php
+++ b/backend/app/Set/UseCases/GetSetLayout/GetSetLayout.php
@@ -17,9 +17,9 @@ class GetSetLayout
     /**
      * @throws NotFoundException
      */
-    public function execute(int $setId): SetLayout
+    public function execute(GetSetLayoutRequest $request): SetLayout
     {
-        $set = $this->setRepository->find($setId);
+        $set = $this->setRepository->find($request->setId);
         if ($set === null) {
             throw new NotFoundException('set not found');
         }
diff --git a/backend/app/Set/UseCases/GetSetLayout/GetSetLayoutRequest.php b/backend/app/Set/UseCases/GetSetLayout/GetSetLayoutRequest.php
new file mode 100644
index 0000000..899ba2d
--- /dev/null
+++ b/backend/app/Set/UseCases/GetSetLayout/GetSetLayoutRequest.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace App\Set\UseCases\GetSetLayout;
+
+final readonly class GetSetLayoutRequest
+{
+    public function __construct(public int $setId) {}
+}