diff --git a/demo/src/main/webapp/js/ng-file-upload.js b/demo/src/main/webapp/js/ng-file-upload.js
index e47aa131..77c7ceb0 100644
--- a/demo/src/main/webapp/js/ng-file-upload.js
+++ b/demo/src/main/webapp/js/ng-file-upload.js
@@ -29,7 +29,7 @@ ngFileUpload.service('UploadBase', ['$http', '$q', '$timeout', function ($http,
   var upload = this;
 
   this.isResumeSupported = function () {
-    return window.Blob && (window.Blob instanceof Function) && new window.Blob().slice;
+    return window.Blob && Blob.slice;
   };
 
   var resumeSupported = this.isResumeSupported();