Version 4.1.2

applications/chat/hooks/tabCount.php

@@ -49,7 +49,7 @@ class chat_hook_tabCount extends _HOOK_CLASS_
 
 \IPS\Output::i()->endBodyCode .= <<<HTML
 <script type='text/javascript'>
-  $('.elNavigation_app_chat_Chat').append( $('<span/>').addClass('ipsNotificationCount').text('{$count}') );
+  $('[data-role="navBarItem"][data-navApp="chat"][data-navExt="Chat"]').append( $('<span/>').addClass('ipsNotificationCount').text('{$count}') );
 </script>
 HTML;
 	}