diff --git a/jqueryui/jqueryui.d.ts b/jqueryui/jqueryui.d.ts
index ac8264067..a49a779e2 100644
--- a/jqueryui/jqueryui.d.ts
+++ b/jqueryui/jqueryui.d.ts
@@ -342,7 +342,7 @@ declare module JQueryUI {
 
     interface DialogOptions extends DialogEvents {
         autoOpen?: boolean;
-        buttons?: { [buttonText: string]: (event?: Event) => void } | ButtonOptions[];
+        buttons?: { [buttonText: string]: (event?: Event) => void } | DialogButtonOptions[];
         closeOnEscape?: boolean;
         closeText?: string;
         dialogClass?: string;
@@ -366,6 +366,14 @@ declare module JQueryUI {
         close?: DialogEvent;
     }
 
+    interface DialogButtonOptions {
+        icons?: any;
+        showText?: string | boolean;
+        text?: string;
+        click?: (eventObject: JQueryEventObject) => any;
+        [attr: string]: any; // attributes for the <button> element
+    }
+
     interface DialogShowHideOptions {
         effect: string;
         delay?: number;