diff --git a/plugins/box/system/system.admin.php b/plugins/box/system/system.admin.php
index 44bf110..b2922a5 100755
--- a/plugins/box/system/system.admin.php
+++ b/plugins/box/system/system.admin.php
@@ -12,11 +12,11 @@
     function checkMonstraVersion() { 
         echo ('
                 <script type="text/javascript">
-                    $.getJSON("http://monstra.org/api/basic.php?jsoncallback=?",
+                    $.getJSON("http://monstra.org/api/version.php?jsoncallback=?",
                         function(data){
-                            var current_monstra_version_id = '.MONSTRA_VERSION_ID.';
-                            var api_monstra_version_id = data.version_id;
-                            if (current_monstra_version_id < api_monstra_version_id) {
+                            var current_monstra_version = '.Core::VERSION.';
+                            var stable_monstra_version = data.version;
+                            if (current_monstra_version < stable_monstra_version) {
                                 $("#update-monstra").addClass("alert").html("'.__("Published a new version of the :monstra", "system", array(":monstra" => "<a target='_blank' href='http://monstra.org/download'>Monstra</a>")).'");
                             }
                         }