diff --git a/lib/adapters/xhr.js b/lib/adapters/xhr.js
index 70e56ee..8cba0ed 100644
--- a/lib/adapters/xhr.js
+++ b/lib/adapters/xhr.js
@@ -39,6 +39,10 @@ module.exports = function xhrAdapter(resolve, reject, config) {
   // Set the request timeout in MS
   request.timeout = config.timeout;
 
+  // For IE 9 CORS support.
+  request.onprogress = function() {};
+  request.ontimeout = function() {};
+
   // Listen for ready state
   request[loadEvent] = function handleLoad() {
     if (!request || (request.readyState !== 4 && !xDomain)) {
@@ -69,7 +73,7 @@ module.exports = function xhrAdapter(resolve, reject, config) {
 
     // Resolve or reject the Promise based on the status
     ((response.status >= 200 && response.status < 300) ||
-     (!('status' in request) && response.responseText) ?
+     (!('status' in request) && request.responseText) ?
       resolve :
       reject)(response);