diff --git a/dashboard-ui/scripts/extensions.js b/dashboard-ui/scripts/extensions.js
index 8b3b8a107a..59360a06b4 100644
--- a/dashboard-ui/scripts/extensions.js
+++ b/dashboard-ui/scripts/extensions.js
@@ -122,6 +122,10 @@ var WebNotifications = {
                 });
             }
         }
+    },
+    
+    supported: function() {
+        return window.Notification || window.webkitNotifications;
     }
 };
 
diff --git a/dashboard-ui/scripts/site.js b/dashboard-ui/scripts/site.js
index 06476ec21e..f43d904a7e 100644
--- a/dashboard-ui/scripts/site.js
+++ b/dashboard-ui/scripts/site.js
@@ -840,7 +840,7 @@ var Dashboard = {
 
             var cmd = msg.Data;
 
-            if (cmd.TimeoutMs) {
+            if (cmd.TimeoutMs && WebNotifications.supported()) {
                 var notification = {
                     title: cmd.Header,
                     body: cmd.Text,