diff --git a/src/Bundle/ChillMainBundle/Export/Messenger/OnExportGenerationFails.php b/src/Bundle/ChillMainBundle/Export/Messenger/OnExportGenerationFails.php
index 09270dce0..04c07f5cf 100644
--- a/src/Bundle/ChillMainBundle/Export/Messenger/OnExportGenerationFails.php
+++ b/src/Bundle/ChillMainBundle/Export/Messenger/OnExportGenerationFails.php
@@ -53,7 +53,7 @@ class OnExportGenerationFails implements EventSubscriberInterface
         }
 
         $this->logger->error(self::LOG_PREFIX.'ExportRequestGenerationMessage failed to execute generation', [
-            'exportId' => $message->id,
+            'exportId' => (string) $message->id,
             'userId' => $message->userId,
             'alias' => $exportGeneration->getExportAlias(),
             'throwable_message' => $event->getThrowable()->getMessage(),