diff --git a/TwigExtension/TicketGlobalExtension.php b/TwigExtension/TicketGlobalExtension.php
index <HASH>..<HASH> 100644
--- a/TwigExtension/TicketGlobalExtension.php
+++ b/TwigExtension/TicketGlobalExtension.php
@@ -4,7 +4,7 @@ namespace Hackzilla\Bundle\TicketBundle\TwigExtension;
 
 use Symfony\Component\DependencyInjection\ContainerInterface;
 
-class TicketGlobalExtension extends \Twig_Extension {
+class TicketGlobalExtension extends \Twig_Extension implements Twig_Extension_GlobalsInterface {
 
     /**
      *
TicketGlobalExtension implements Twig_Extension_GlobalsInterface

Defining the getGlobals() method in the "ticketGlobal" extension without explicitly implementing Twig_Extension_GlobalsInterface is deprecated since version <I>