diff --git a/ui/src/index.js b/ui/src/index.js
index ce468eb79..9e3cf3786 100644
--- a/ui/src/index.js
+++ b/ui/src/index.js
@@ -1,5 +1,7 @@
 // MUST be first thing we import
 // https://github.com/facebook/create-react-app/blob/master/packages/react-app-polyfill/README.md
+// IE is not supported (lacks Proxy) but that pollyfill provides fetch and other needed features
+import 'react-app-polyfill/ie11';
 import "react-app-polyfill/stable";
 
 import React from "react";