diff --git a/src/components/views/rooms/RoomList.js b/src/components/views/rooms/RoomList.js
index 269f04c963..4a491c8a03 100644
--- a/src/components/views/rooms/RoomList.js
+++ b/src/components/views/rooms/RoomList.js
@@ -371,7 +371,7 @@ module.exports = React.createClass({
                     return;
                 }
 
-                return isRoomVisible[taggedRoom.roomId];
+                return Boolean(isRoomVisible[taggedRoom.roomId]);
             });
         });