diff --git a/jqueryui/jqueryui.d.ts b/jqueryui/jqueryui.d.ts
index 12f76bebc..69d4d60f0 100644
--- a/jqueryui/jqueryui.d.ts
+++ b/jqueryui/jqueryui.d.ts
@@ -494,6 +494,7 @@ interface SortableUIParams {
     position: any;
     originalPosition: any;
     sender: JQuery;
+	placeholder: JQuery;
 }
 
 interface SortableEvent {