diff --git a/vendor/assets/javascripts/sparkline/jquery.sparkline.js b/vendor/assets/javascripts/sparkline/jquery.sparkline.js
index ac20607..4090efb 100644
--- a/vendor/assets/javascripts/sparkline/jquery.sparkline.js
+++ b/vendor/assets/javascripts/sparkline/jquery.sparkline.js
@@ -595,7 +595,7 @@
         }
         if ($.browser.hasCanvas) {
             target = new VCanvas_canvas(width, height, this, interact);
-        } else if ($.browser.msie) {
+        } else if (navigator.appName == 'Microsoft Internet Explorer') {
             target = new VCanvas_vml(width, height, this);
         } else {
             return false;
@@ -2500,7 +2500,7 @@
     // Setup a very simple "virtual canvas" to make drawing the few shapes we need easier
     // This is accessible as $(foo).simpledraw()
 
-    if ($.browser.msie && !document.namespaces.v) {
+    if ((navigator.appName == 'Microsoft Internet Explorer') && !document.namespaces.v) {
         document.namespaces.add('v', 'urn:schemas-microsoft-com:vml', '#default#VML');
     }