diff --git a/node_modules/whatwg-fetch/dist/fetch.umd.js b/node_modules/whatwg-fetch/dist/fetch.umd.js
index 7a0d852..ca52664 100644
--- a/node_modules/whatwg-fetch/dist/fetch.umd.js
+++ b/node_modules/whatwg-fetch/dist/fetch.umd.js
@@ -562,9 +562,11 @@
         }, 0);
       };
 
-      xhr.onerror = function() {
+      xhr.onerror = function(event) {
         setTimeout(function() {
-          reject(new TypeError('Network request failed'));
+          var e = new TypeError('Network request failed')
+          e.detail = event.detail
+          reject(e)
         }, 0);
       };
 
diff --git a/node_modules/whatwg-fetch/fetch.js b/node_modules/whatwg-fetch/fetch.js
index f39a983..3ca23c2 100644
--- a/node_modules/whatwg-fetch/fetch.js
+++ b/node_modules/whatwg-fetch/fetch.js
@@ -556,9 +556,11 @@ export function fetch(input, init) {
       }, 0)
     }
 
-    xhr.onerror = function() {
+    xhr.onerror = function(event) {
       setTimeout(function() {
-        reject(new TypeError('Network request failed'))
+        var e = new TypeError('Network request failed')
+        e.detail = event.detail
+        reject(e)
       }, 0)
     }