diff --git a/demo/demo30.ts b/demo/demo30.ts
index b728ffadcf..a587e42b7a 100644
--- a/demo/demo30.ts
+++ b/demo/demo30.ts
@@ -2,7 +2,7 @@ import * as fs from "fs";
 import { Document, ImportDotx, Packer, Paragraph } from "../build";
 
 const importDotx = new ImportDotx();
-const filePath = "./demo/dotx/f.dotx";
+const filePath = "./demo/dotx/template.dotx";
 
 fs.readFile(filePath, (err, data) => {
     if (err) {