diff --git a/spring-cloud-stream-binder-kafka/src/main/java/org/springframework/cloud/stream/binder/kafka/KafkaMessageChannelBinder.java b/spring-cloud-stream-binder-kafka/src/main/java/org/springframework/cloud/stream/binder/kafka/KafkaMessageChannelBinder.java
index 62947b3d4..241ee8501 100644
--- a/spring-cloud-stream-binder-kafka/src/main/java/org/springframework/cloud/stream/binder/kafka/KafkaMessageChannelBinder.java
+++ b/spring-cloud-stream-binder-kafka/src/main/java/org/springframework/cloud/stream/binder/kafka/KafkaMessageChannelBinder.java
@@ -247,8 +247,7 @@ public class KafkaMessageChannelBinder extends
 		}
 		props.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, this.configurationProperties.getKafkaConnectionString());
 		props.put(ProducerConfig.RETRIES_CONFIG, 0);
-		props.put(ProducerConfig.BATCH_SIZE_CONFIG, 16384);
-		props.put(ProducerConfig.LINGER_MS_CONFIG, 1);
+		props.put(ProducerConfig.BATCH_SIZE_CONFIG, String.valueOf(producerProperties.getExtension().getBufferSize()));
 		props.put(ProducerConfig.BUFFER_MEMORY_CONFIG, 33554432);
 		props.put(ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class);
 		props.put(ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, ByteArraySerializer.class);