diff --git a/Kafka/Producer.php b/Kafka/Producer.php
index aa894014..18444569 100644
--- a/Kafka/Producer.php
+++ b/Kafka/Producer.php
@@ -102,7 +102,12 @@ class Producer extends Component
 			$this->error(sprintf("Kafka error: %s (reason: %s)", rd_kafka_err2str($err), $reason));
 		});
 
+		/** @var \RdKafka\Producer $rk */
 		$rk = Snowflake::createObject(\RdKafka\Producer::class, [$this->conf]);
+		if ($rk->getOutQLen() > 0) {
+			$rk->flush($timeout);
+		}
+
 		$topic = $rk->newTopic($this->_topic, $this->topicConf);
 		$topic->produce(RD_KAFKA_PARTITION_UA, 0, $message, $key);
 		$rk->poll(0);