diff --git a/Classes/Queue/RedisQueue.php b/Classes/Queue/RedisQueue.php
index 3b638f3..5243bda 100644
--- a/Classes/Queue/RedisQueue.php
+++ b/Classes/Queue/RedisQueue.php
@@ -134,6 +134,9 @@ public function waitAndReserve(?int $timeout = null): ?Message
         }
         $this->checkClientConnection();
         $messageId = $this->client->brpoplpush("queue:{$this->name}:messages", "queue:{$this->name}:processing", $timeout);
+        if ($messageId === false) {
+            return null;
+        }
         return $this->getMessageById($messageId);
     }