diff --git a/src/Bundle/ChillMainBundle/Controller/ExportGenerationCreateFromSavedExportController.php b/src/Bundle/ChillMainBundle/Controller/ExportGenerationCreateFromSavedExportController.php
index 737cbbea1..199b9c92d 100644
--- a/src/Bundle/ChillMainBundle/Controller/ExportGenerationCreateFromSavedExportController.php
+++ b/src/Bundle/ChillMainBundle/Controller/ExportGenerationCreateFromSavedExportController.php
@@ -28,11 +28,11 @@ use Symfony\Component\Serializer\SerializerInterface;
 class ExportGenerationCreateFromSavedExportController
 {
     public function __construct(
-        private Security $security,
-        private EntityManagerInterface $entityManager,
-        private MessageBusInterface $messageBus,
-        private ClockInterface $clock,
-        private SerializerInterface $serializer,
+        private readonly Security $security,
+        private readonly EntityManagerInterface $entityManager,
+        private readonly MessageBusInterface $messageBus,
+        private readonly ClockInterface $clock,
+        private readonly SerializerInterface $serializer,
     ) {}
 
     #[Route('/api/1.0/main/export/export-generation/create-from-saved-export/{id}', methods: ['POST'])]
diff --git a/src/Bundle/ChillMainBundle/Export/Messenger/OnExportGenerationFails.php b/src/Bundle/ChillMainBundle/Export/Messenger/OnExportGenerationFails.php
index 43caaac54..09270dce0 100644
--- a/src/Bundle/ChillMainBundle/Export/Messenger/OnExportGenerationFails.php
+++ b/src/Bundle/ChillMainBundle/Export/Messenger/OnExportGenerationFails.php
@@ -24,9 +24,9 @@ class OnExportGenerationFails implements EventSubscriberInterface
     private const LOG_PREFIX = '[export_generation failed] ';
 
     public function __construct(
-        private LoggerInterface $logger,
-        private ExportGenerationRepository $repository,
-        private EntityManagerInterface $entityManager,
+        private readonly LoggerInterface $logger,
+        private readonly ExportGenerationRepository $repository,
+        private readonly EntityManagerInterface $entityManager,
     ) {}
 
     public static function getSubscribedEvents()
@@ -58,7 +58,7 @@ class OnExportGenerationFails implements EventSubscriberInterface
             'alias' => $exportGeneration->getExportAlias(),
             'throwable_message' => $event->getThrowable()->getMessage(),
             'throwable_trace' => $event->getThrowable()->getTraceAsString(),
-            'throwable' => get_class($event->getThrowable()),
+            'throwable' => $event->getThrowable()::class,
             'full_generation_duration_failure' => microtime(true) - $exportGeneration->getCreatedAt()->getTimestamp(),
         ]);