diff --git a/lib/src/Room.dart b/lib/src/Room.dart
index a6c86bd8..7a777830 100644
--- a/lib/src/Room.dart
+++ b/lib/src/Room.dart
@@ -126,7 +126,7 @@ class Room {
 
   Event get lastEvent {
     ChatTime lastTime = ChatTime(0);
-    Event lastEvent = Event();
+    Event lastEvent = null;
     states.forEach((String key, RoomState state) {
       if (state.time > lastTime) {
         lastTime = state.time;