diff --git a/calendar/sunbird/app/profile/sunbird.js b/calendar/sunbird/app/profile/sunbird.js
index 35e68b440a..d6d3573509 100644
--- a/calendar/sunbird/app/profile/sunbird.js
+++ b/calendar/sunbird/app/profile/sunbird.js
@@ -162,7 +162,7 @@ pref("app.update.incompatible.mode", 0);
 //  .. etc ..
 //
 pref("extensions.update.enabled", true);
-pref("extensions.update.url", "https://versioncheck.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%");
+pref("extensions.update.url", "https://versioncheck.addons.mozilla.org/update/VersionCheck.php?reqVersion=%REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=%ITEM_MAXAPPVERSION%&status=%ITEM_STATUS%&appID=%APP_ID%&appVersion=%APP_VERSION%&appOS=%APP_OS%&appABI=%APP_ABI%&locale=%APP_LOCALE%&currentAppVersion=%CURRENT_APP_VERSION%");
 pref("extensions.update.interval", 86400);
 
 // Non-symmetric (not shared by extensions) extension-specific [update] preferences