diff --git a/docker/kafka.env b/docker/kafka.env
index e5da2aec1a..bae5973529 100644
--- a/docker/kafka.env
+++ b/docker/kafka.env
@@ -12,8 +12,8 @@ KAFKA_CFG_INTER_BROKER_LISTENER_NAME=PLAINTEXT
 KAFKA_CFG_AUTO_CREATE_TOPICS_ENABLE=false
 KAFKA_CFG_LOG_RETENTION_BYTES=1073741824
 # default is 1 GB
-KAFKA_CFG_SEGMENT_BYTES=268435456
+KAFKA_CFG_SEGMENT_BYTES=26214400
 # default 7 days
 #KAFKA_CFG_LOG_RETENTION_MS=300000
 # default
-#KAFKA_CFG_LOG_CLEANUP_POLICY=delete
\ No newline at end of file
+#KAFKA_CFG_LOG_CLEANUP_POLICY=delete