diff --git a/src/VectorConferenceHandler.js b/src/VectorConferenceHandler.js
index 19081726b2..af6659d343 100644
--- a/src/VectorConferenceHandler.js
+++ b/src/VectorConferenceHandler.js
@@ -84,7 +84,7 @@ ConferenceCall.prototype._getConferenceUserRoom = function() {
         preset: "private_chat",
         invite: [this.confUserId]
     }).then(function(res) {
-        return new Room(res.room_id);
+        return new Room(res.room_id, client.getUserId());
     });
 };
 
diff --git a/test/components/views/rooms/RoomList-test.js b/test/components/views/rooms/RoomList-test.js
index c0a0b8eb67..8a596d4151 100644
--- a/test/components/views/rooms/RoomList-test.js
+++ b/test/components/views/rooms/RoomList-test.js
@@ -20,15 +20,16 @@ function generateRoomId() {
     return '!' + Math.random().toString().slice(2, 10) + ':domain';
 }
 
-function createRoom(opts) {
-    const room = new Room(generateRoomId());
-    if (opts) {
-        Object.assign(room, opts);
-    }
-    return room;
-}
 
 describe('RoomList', () => {
+    function createRoom(opts) {
+        const room = new Room(generateRoomId(), client.getUserId());
+        if (opts) {
+            Object.assign(room, opts);
+        }
+        return room;
+    }
+
     let parentDiv = null;
     let sandbox = null;
     let client = null;