diff --git a/main/coursecopy/classes/Resource.class.php b/main/coursecopy/classes/Resource.class.php
index ff61944651..3b695f3222 100755
--- a/main/coursecopy/classes/Resource.class.php
+++ b/main/coursecopy/classes/Resource.class.php
@@ -25,6 +25,7 @@ define('RESOURCE_WIKI', 'wiki');
 define('RESOURCE_THEMATIC', 'thematic');
 define('RESOURCE_ATTENDANCE', 'attendance');
 define('RESOURCE_WORK', 'work');
+define('RESOURCE_SESSION_COURSE', 'session_course');
 
 /**
  * Class Resource