From dc81496c3bcd9c0aa3cb1819c1e14daf822874c5 Mon Sep 17 00:00:00 2001
From: dangwynne <dan@gwynne.co.uk>
Date: Fri, 29 Jan 2021 11:31:21 +0000
Subject: [PATCH] add optional chaining operator

---
 src/components/views/rooms/RoomTile.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/components/views/rooms/RoomTile.tsx b/src/components/views/rooms/RoomTile.tsx
index 631abeed10..835447dc18 100644
--- a/src/components/views/rooms/RoomTile.tsx
+++ b/src/components/views/rooms/RoomTile.tsx
@@ -155,8 +155,8 @@ export default class RoomTile extends React.PureComponent<IProps, IState> {
                 CommunityPrototypeStore.getUpdateEventName(this.props.room?.roomId),
                 this.onCommunityUpdate,
             );
-            prevProps.room.off("Room.name", this.onRoomNameUpdate);
-            this.props.room.on("Room.name", this.onRoomNameUpdate);
+            prevProps.room?.off("Room.name", this.onRoomNameUpdate);
+            this.props.room?.on("Room.name", this.onRoomNameUpdate);
         }
     }