diff --git a/lib/src/Room.dart b/lib/src/Room.dart
index 21e48ff..69c0853 100644
--- a/lib/src/Room.dart
+++ b/lib/src/Room.dart
@@ -275,7 +275,7 @@ class Room {
         client.connection.onEvent.add(eventUpdate);
         client.store.storeEventUpdate(eventUpdate);
         client.store.txn.rawUpdate(
-            "UPDATE Rooms SET prev_batch=? WHERE id=?", [ resp.["end"], id ]);
+            "UPDATE Rooms SET prev_batch=? WHERE id=?", [ resp["end"], id ]);
       }
     });
   }