1 files changed, 2 insertions, 1 deletions
diff --git a/synapse/api/errors.py b/synapse/api/errors.py
index 0b464834ce..ff89259dec 100644
--- a/synapse/api/errors.py
+++ b/synapse/api/errors.py
@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 # Copyright 2014-2016 OpenMarket Ltd
-# Copyright 2018 New Vector Ltd.
+# Copyright 2018 New Vector Ltd
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -60,6 +60,7 @@ class Codes(object):
     UNSUPPORTED_ROOM_VERSION = "M_UNSUPPORTED_ROOM_VERSION"
     INCOMPATIBLE_ROOM_VERSION = "M_INCOMPATIBLE_ROOM_VERSION"
     WRONG_ROOM_KEYS_VERSION = "M_WRONG_ROOM_KEYS_VERSION"
+    EXPIRED_ACCOUNT = "ORG_MATRIX_EXPIRED_ACCOUNT"
 
 
 class CodeMessageException(RuntimeError):