diff --git a/backbone/backbone.d.ts b/backbone/backbone.d.ts
index 04bee0f5d..6ba1d15a6 100644
--- a/backbone/backbone.d.ts
+++ b/backbone/backbone.d.ts
@@ -198,6 +198,7 @@ declare module Backbone {
         pushSate();
         getFragment(fragment?: string, forcePushState?: bool): string;
         getHash(window?: Window): string;
+        started: bool;
     }
 
     export interface ViewOptions {