Add a cast missing from #259. Closes #261
Add a cast missing from #259. Closes #261

rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials,rabbitmq/rabbitmq-tutorials