diff --git a/lib/src/room.dart b/lib/src/room.dart
index 14d39f85..0fe2081d 100644
--- a/lib/src/room.dart
+++ b/lib/src/room.dart
@@ -2130,7 +2130,7 @@ class Room {
       : setSpaceChild(roomId, via: const []);
 
   @override
-  bool operator ==(dynamic other) => (other is Room && other.id == id);
+  bool operator ==(Object other) => (other is Room && other.id == id);
 
   @override
   int get hashCode => Object.hashAll([id]);