diff --git a/src/domain/session/room/RoomViewModel.js b/src/domain/session/room/RoomViewModel.js
index 2328a6be..be2e7832 100644
--- a/src/domain/session/room/RoomViewModel.js
+++ b/src/domain/session/room/RoomViewModel.js
@@ -128,7 +128,7 @@ export class RoomViewModel extends ViewModel {
     // so emit all fields originating from summary
     _onRoomChange() {
         // propagate the update to the child view models so it's bindings can update based on room changes
-        this._composerVM.emitChange();
+        this._composerVM?.emitChange();
         this.emitChange();
     }