diff --git a/examples/acroforms/acroforms.js b/examples/acroforms/acroforms.js
index 51e9d3b3f..8f3e99660 100644
--- a/examples/acroforms/acroforms.js
+++ b/examples/acroforms/acroforms.js
@@ -18,7 +18,7 @@
 pdfjsLib.GlobalWorkerOptions.workerSrc =
   "../../node_modules/pdfjs-dist/build/pdf.worker.js";
 
-var DEFAULT_URL = "../../test/pdfs/f1040.pdf";
+var DEFAULT_URL = "../../test/pdfs/prefilled_f1040.pdf";
 var DEFAULT_SCALE = 1.0;
 
 var container = document.getElementById("pageContainer");