diff --git a/mobile/components/alertsService.js b/mobile/components/alertsService.js
index 20d3d5d9956..7acc3dc81bb 100644
--- a/mobile/components/alertsService.js
+++ b/mobile/components/alertsService.js
@@ -46,8 +46,8 @@ Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
 function AlertsService() { }
 
 AlertsService.prototype = {
-  classDescription: "Alerts Service",
-  contractID: "@mozilla.org/alerts-service;1",
+  classDescription: "Mobile Alerts Service",
+  contractID: "@mozilla.org/system-alerts-service;1",
   classID: Components.ID("{fe33c107-82a4-41d6-8c64-5353267e04c9}"),
   QueryInterface: XPCOMUtils.generateQI([Ci.nsIAlertsService]),