diff --git a/jqueryui/jqueryui-tests.ts b/jqueryui/jqueryui-tests.ts
index ef02b40d61..d7c85d2283 100644
--- a/jqueryui/jqueryui-tests.ts
+++ b/jqueryui/jqueryui-tests.ts
@@ -1425,12 +1425,13 @@ function test_dialog() {
         height: 300,
         width: 350,
         modal: true,
-        buttons: {},
-        Cancel: function () {
-            $(this).dialog("close");
-        },
-        close: function () {
-		    var $el = $(this).dialog("destroy");
+        buttons: {
+            Cancel: function () {
+                $(this).dialog("close");
+            },
+            close: function () {
+                var $el = $(this).dialog("destroy");
+            }
         }
     });
     $("#dialog-message").dialog({
diff --git a/jqueryui/jqueryui.d.ts b/jqueryui/jqueryui.d.ts
index 6315b35476..e13754feb1 100644
--- a/jqueryui/jqueryui.d.ts
+++ b/jqueryui/jqueryui.d.ts
@@ -336,9 +336,9 @@ declare module JQueryUI {
 
     // Dialog //////////////////////////////////////////////////
 
-    interface DialogOptions {
+    interface DialogOptions extends DialogEvents {
         autoOpen?: boolean;
-        buttons?: any; // object or []
+        buttons?: { [buttonText: string]: () => void } | ButtonOptions[];
         closeOnEscape?: boolean;
         closeText?: string;
         dialogClass?: string;
@@ -382,7 +382,7 @@ declare module JQueryUI {
         resizeStop?: DialogEvent;
     }
 
-    interface Dialog extends Widget, DialogOptions, DialogEvents {
+    interface Dialog extends Widget, DialogOptions {
     }