diff --git a/plugins/box/emails/views/emails/email_layout.view.php b/plugins/box/emails/views/emails/email_layout.view.php
index 8f502f4..32ba544 100644
--- a/plugins/box/emails/views/emails/email_layout.view.php
+++ b/plugins/box/emails/views/emails/email_layout.view.php
@@ -5,7 +5,7 @@
     <meta name="viewport" content="width=device-width"/>
 
     <style type="text/css">
-      <?php include 'inc.css'; ?>   
+      <?php include PLUGINS_BOX . '/emails/css/inc.css'; ?>   
     </style>
   </head>
   <body>
