diff --git a/examples/export-map.js b/examples/export-map.js
index 2fc4ffd6c6..a4843f3741 100644
--- a/examples/export-map.js
+++ b/examples/export-map.js
@@ -36,8 +36,8 @@ var map = new ol.Map({
 document.getElementById('export-png').addEventListener('click', function() {
   map.once('postcompose', function(event) {
     var canvas = event.context.canvas;
-    if (isIE()) {
-      window.navigator.msSaveBlob(canvas.msToBlob(), 'map.png');
+    if (navigator.msSaveBlob) {
+      navigator.msSaveBlob(canvas.msToBlob(), 'map.png');
     } else {
       canvas.toBlob(function(blob) {
         saveAs(blob, 'map.png');
@@ -46,16 +46,3 @@ document.getElementById('export-png').addEventListener('click', function() {
   });
   map.renderSync();
 });
-
-function isIE() {
-  var sAgent = window.navigator.userAgent;
-  var Idx = sAgent.indexOf('MSIE');
-  // If IE, return true.
-  if (Idx > 0)
-    return true;
-  // If IE 11 then look for Updated user agent string.
-  else if (navigator.userAgent.match(/Trident\/7\./))
-    return true;
-  else
-    return false;
-}