diff --git a/fetch.js b/fetch.js
index 99360494..5b5c5ffc 100644
--- a/fetch.js
+++ b/fetch.js
@@ -563,7 +563,7 @@ export function fetch(input, init) {
 
     xhr.ontimeout = function() {
       setTimeout(function() {
-        reject(new TypeError('Network request failed'))
+        reject(new TypeError('Network request timed out'))
       }, 0)
     }
 
@@ -638,4 +638,4 @@ if (!g.fetch) {
   g.Headers = Headers
   g.Request = Request
   g.Response = Response
-}
\ No newline at end of file
+}