diff --git a/jqueryui/jqueryui.d.ts b/jqueryui/jqueryui.d.ts
index d5e60cd0de..dbf6161b55 100644
--- a/jqueryui/jqueryui.d.ts
+++ b/jqueryui/jqueryui.d.ts
@@ -87,6 +87,7 @@ declare module JQueryUI {
         icons?: any;
         label?: string;
         text?: boolean;
+        click?: (event?: Event) => void;
     }
 
     interface Button extends Widget, ButtonOptions {