diff --git a/web/index.html b/web/index.html
index 7ab97fd23..12f49fcf8 100644
--- a/web/index.html
+++ b/web/index.html
@@ -2,6 +2,11 @@
 <html data-report-errors="1" data-rc="" data-user-agent="" data-login="">
 <head>
   <base href="/">
+  <script>
+    window.flutterConfiguration = {
+      canvasKitBaseUrl: "/canvaskit/"
+    };
+  </script>
 
   <meta charset="UTF-8">
   <script src="//cdnjs.cloudflare.com/ajax/libs/pdf.js/2.4.456/pdf.min.js"></script>
