diff --git a/src/polyfills.js b/src/polyfills.js
index cdadd64..a7d9aa2 100644
--- a/src/polyfills.js
+++ b/src/polyfills.js
@@ -1,7 +1,18 @@
 import 'babel-polyfill';
-import 'whatwg-fetch';
 import { shim as shimPromiseFinaly } from 'promise.prototype.finally';
 
+const isEdge = /Edge\//.test(navigator.userAgent);
+if (isEdge) {
+    // Edge has a broken fetch implementation, so forcing the polyfill
+    // https://www.reddit.com/r/webdev/comments/57ii4f/psa_edge_14_ships_a_broken_windowfetch/
+    // https://github.com/aurelia/fetch-client/issues/81
+    // https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/9370062/
+    // https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/7773267/
+    window.fetch = undefined;
+}
+
+import 'whatwg-fetch';
+
 shimPromiseFinaly();
 
 // allow :active styles in mobile Safary