diff --git a/backbone/backbone.d.ts b/backbone/backbone.d.ts
index 256554774..bdbcf6e7c 100644
--- a/backbone/backbone.d.ts
+++ b/backbone/backbone.d.ts
@@ -330,7 +330,8 @@ declare module Backbone {
 
     // SYNC
     function sync(method: string, model: Model, options?: JQueryAjaxSettings): any;
-    var emulateHTTP: boolean;
+    function ajax(options?: JQueryAjaxSettings): JQueryXHR;
+	var emulateHTTP: boolean;
     var emulateJSONBackbone: boolean;
 
     // Utility