diff --git a/web/index.html b/web/index.html
index 9a645882ee..175c9ae4ba 100644
--- a/web/index.html
+++ b/web/index.html
@@ -102,7 +102,7 @@
     <script src="https://unpkg.com/pica/dist/pica.min.js"></script>
     <script
       type="application/javascript"
-      src="/assets/packages/flutter_inappwebview_web/assets/web/web_support.js"
+      src="$FLUTTER_BASE_HREF/assets/packages/flutter_inappwebview_web/assets/web/web_support.js"
       defer
     ></script>
   </body>