diff --git a/index.html b/index.html
index 3196fe5..6a919e2 100644
--- a/index.html
+++ b/index.html
@@ -27,6 +27,6 @@
 <p id="notice">
     notice: some platforms restrict Ø width characters.
 </p>
-<script src="dash.js" type="module"></script>
+<script src="dash.ts" type="module"></script>
 </body>
 </html>