1 files changed, 1 insertions, 1 deletions
diff --git a/synapse/storage/roommember.py b/synapse/storage/roommember.py
index c99cefbcfc..14c0152e8a 100644
--- a/synapse/storage/roommember.py
+++ b/synapse/storage/roommember.py
@@ -112,7 +112,7 @@ class RoomMemberStore(SQLBaseStore):
         args = [user_id]
         args.extend(membership_list)
 
-        where_clause "user_id = ? AND (%s)" % (
+        where_clause = "user_id = ? AND (%s)" % (
             " OR ".join(["membership = ?" for _ in membership_list]),
         )