diff --git a/common/net/transport.go b/common/net/transport.go
index d98f9d112..7f9eea9ee 100644
--- a/common/net/transport.go
+++ b/common/net/transport.go
@@ -5,7 +5,7 @@ import (
 )
 
 const (
-	bufferSize = 32 * 1024
+	bufferSize = 4 * 1024
 )
 
 // ReaderToChan dumps all content from a given reader to a chan by constantly reading it until EOF.