diff --git a/jqueryui/jqueryui.d.ts b/jqueryui/jqueryui.d.ts
index d9a33ed4fc..9dd576e1a5 100644
--- a/jqueryui/jqueryui.d.ts
+++ b/jqueryui/jqueryui.d.ts
@@ -362,7 +362,8 @@ declare module JQueryUI {
         title?: string;
         width?: any; // number or string
         zIndex?: number;
-
+		
+		open?: DialogEvent;
         close?: DialogEvent;
     }