diff --git a/pkg/dbal/DbalProducer.php b/pkg/dbal/DbalProducer.php
index f0cdea849..324912c6b 100644
--- a/pkg/dbal/DbalProducer.php
+++ b/pkg/dbal/DbalProducer.php
@@ -66,7 +66,7 @@ public function send(Destination $destination, Message $message): void
         ;
 
         $dbalMessage = [
-            'id' => Uuid::uuid4(),
+            'id' => Uuid::uuid4()->toString(),
             'published_at' => $publishedAt,
             'body' => $body,
             'headers' => JSON::encode($message->getHeaders()),