diff --git a/main/inc/lib/add_course.lib.inc.php b/main/inc/lib/add_course.lib.inc.php
index a1a8a476c8..2cda895894 100644
--- a/main/inc/lib/add_course.lib.inc.php
+++ b/main/inc/lib/add_course.lib.inc.php
@@ -2495,8 +2495,8 @@ function fill_Db_course($course_id, $course_repository, $language, $default_docu
         Database::query("INSERT INTO $TABLEITEMPROPERTY  (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) 
         				 VALUES ($course_id, '".TOOL_FORUM."', 1,NOW(),NOW(),$insert_id,'ForumAdded',1,0,NULL,1)");
 
-        Database::query("INSERT INTO $TABLEFORUMTHREADS (c_id, thread_id, thread_title, forum_id, thread_replies, thread_poster_id, thread_poster_name, thread_views, thread_last_post, thread_date, locked, thread_qualify_max) 
-        				VALUES ($course_id, 1, '".lang2db(get_lang('ExampleThread'))."', 1, 0, 1, '', 0, 1, NOW(), 0, 10)");
+        Database::query("INSERT INTO $TABLEFORUMTHREADS (c_id, thread_id, thread_title, forum_id, thread_replies, thread_poster_id, thread_poster_name, thread_views, thread_last_post, thread_date, locked, thread_qualify_max, session_id) 
+        				VALUES ($course_id, 1, '".lang2db(get_lang('ExampleThread'))."', 1, 0, 1, '', 0, 1, NOW(), 0, 10, 0)");
         $insert_id = Database :: insert_id();
         Database::query("INSERT INTO $TABLEITEMPROPERTY  (c_id, tool,insert_user_id,insert_date,lastedit_date,ref,lastedit_type,lastedit_user_id,to_group_id,to_user_id,visibility) 
         				VALUES ($course_id, 'forum_thread',1,NOW(),NOW(),$insert_id,'ForumThreadAdded',1,0,NULL,1)");