diff --git a/main/mySpace/course.php b/main/mySpace/course.php
index 849c1ac1f5..c77075500f 100644
--- a/main/mySpace/course.php
+++ b/main/mySpace/course.php
@@ -18,7 +18,11 @@ require_once api_get_path(LIBRARY_PATH).'export.lib.inc.php';
 require_once api_get_path(LIBRARY_PATH).'thematic.lib.php';
 
 $this_section = SECTION_TRACKING;
-$id_session = intval($_GET['id_session']);
+
+$id_session = isset($_GET['session_id']) ? intval($_GET['session_id']) : null;
+if (empty($id_session)) {
+    $id_session = isset($_GET['id_session']) ? intval($_GET['id_session']) : null;
+}
 
 api_block_anonymous_users();
 $interbreadcrumb[] = array ("url" => "index.php", "name" => get_lang('MySpace'));