diff --git a/Kafka/Socket.php b/Kafka/Socket.php
index dc3f3259..f33f94f0 100644
--- a/Kafka/Socket.php
+++ b/Kafka/Socket.php
@@ -28,8 +28,8 @@ namespace Kafka;
 class Socket
 {
 
-//	const READ_MAX_LEN = 5242880; // read socket max length 5MB
-	const READ_MAX_LEN = 2097152; // read socket max length 5MB
+	const READ_MAX_LEN = 5242880; // read socket max length 5MB
+//	const READ_MAX_LEN = 2097152; // read socket max length 5MB
 
 	/**
 	 * max write socket buffer