1 files changed, 1 insertions, 0 deletions
diff --git a/synapse/handlers/room_list.py b/synapse/handlers/room_list.py
index 924b81db7c..01fade718e 100644
--- a/synapse/handlers/room_list.py
+++ b/synapse/handlers/room_list.py
@@ -170,6 +170,7 @@ class RoomListHandler(BaseHandler):
                 "world_readable": room["history_visibility"]
                 == HistoryVisibility.WORLD_READABLE,
                 "guest_can_join": room["guest_access"] == "can_join",
+                "join_rule": room["join_rules"],
             }
 
             # Filter out Nones – rather omit the field altogether