diff --git a/master.cfg b/master.cfg
index 060921a..b4c249d 100644
--- a/master.cfg
+++ b/master.cfg
@@ -47,7 +47,7 @@ import sqlite3
 ###############################
 
 from twisted.protocols.basic import NetstringReceiver
-NetstringReceiver.MAX_LENGTH = 1000000
+NetstringReceiver.MAX_LENGTH = 1000000000
 
 # This is the dictionary that the buildmaster pays attention to. We
 # also use a shorter alias to save typing.