diff --git a/Plugin/Profiling/Cache.php b/Plugin/Profiling/Cache.php
index 077c735..68e111f 100644
--- a/Plugin/Profiling/Cache.php
+++ b/Plugin/Profiling/Cache.php
@@ -31,7 +31,7 @@ public function load($identifier)
             ->setData([
                 'cache.key' => $identifier,
             ])
-            ->setDescription($identifier)
+            ->setDescription((string) $identifier)
             ->setOrigin('auto.cache');
         $span = $parentSpan->startChild($context);
         SentrySdk::getCurrentHub()->setSpan($span);
diff --git a/Plugin/Profiling/QueuePlugin.php b/Plugin/Profiling/QueuePlugin.php
index 6b1b7ea..961fe95 100644
--- a/Plugin/Profiling/QueuePlugin.php
+++ b/Plugin/Profiling/QueuePlugin.php
@@ -50,9 +50,9 @@ public function afterDequeue(QueueInterface $queue, ?EnvelopeInterface $envelope
             ->setData([
                 'messaging.message.id'          => $properties['message_id'],
                 'messaging.destination.name'    => $properties['topic_name'],
-                'messaging.queue.name'          => $properties['queue_name'],
+                'messaging.queue.name'          => $properties['queue_name'] ?? null,
                 'messaging.message.body.size'   => strlen($envelope->getBody()),
-                'messaging.message.retry.count' => $properties['retries'],
+                'messaging.message.retry.count' => $properties['retries'] ?? null,
             ]);
         \Sentry\SentrySdk::getCurrentHub()->setSpan($this->transactions[$properties['message_id']]);