From c433f6109145f0cf6c80dd07ee118b68a3a0cd4e Mon Sep 17 00:00:00 2001
From: Andrew Morgan <andrew@amorgan.xyz>
Date: Tue, 22 Jan 2019 12:06:36 +0000
Subject: Ensure new filter is actually created

---
 synapse/api/filtering.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'synapse/api')

diff --git a/synapse/api/filtering.py b/synapse/api/filtering.py
index 0d8957175d..f3a056110f 100644
--- a/synapse/api/filtering.py
+++ b/synapse/api/filtering.py
@@ -454,7 +454,7 @@ class Filter(object):
             filter: A new filter including the given rooms and the old
                     filter's rooms.
         """
-        newFilter = self
+        newFilter = Filter(self.filter_json)
         newFilter.rooms += room_ids
         return newFilter
 
-- 
cgit 1.4.1