diff --git a/apache-kafka-2/src/main/java/com/baeldung/kafka/message/ordering/MultiPartitionProducer.java b/apache-kafka-2/src/main/java/com/baeldung/kafka/message/ordering/MultiPartitionProducer.java
index 04ffdd3336..b565941fa5 100644
--- a/apache-kafka-2/src/main/java/com/baeldung/kafka/message/ordering/MultiPartitionProducer.java
+++ b/apache-kafka-2/src/main/java/com/baeldung/kafka/message/ordering/MultiPartitionProducer.java
@@ -9,7 +9,7 @@ import java.util.Properties;
 public class MultiPartitionProducer {
     public static void main(String[] args) {
         Properties props = new Properties();
-        props.put("bootstrap.servers", "localhost:9092");
+        props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "localhost:9092");
         props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, "org.apache.kafka.common.serialization.StringSerializer");
         props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, "com.baeldung.kafka.message.ordering.serialization.JacksonSerializer");