diff --git a/typescript/base/single/button/node/textnode.ts b/typescript/base/single/button/node/textnode.ts
index fcf65378db..21d22aed3e 100644
--- a/typescript/base/single/button/node/textnode.ts
+++ b/typescript/base/single/button/node/textnode.ts
@@ -1,6 +1,9 @@
 import { NodeButton } from "../button.node";
 
 export declare class TextNode extends NodeButton {
+
+    static xtype: string;
+
     setText(b: string): void;
 
     getText(): string;