diff --git a/addvideo.php b/addvideo.php
index 80600146..028d3245 100644
--- a/addvideo.php
+++ b/addvideo.php
@@ -35,11 +35,7 @@
 require_once($CFG->dirroot . '/repository/lib.php');
 
 $courseid = required_param('courseid', PARAM_INT);
-if ($courseid == $SITE->id) {
-    $series = optional_param('series', null, PARAM_ALPHANUMEXT);
-} else {
-    $series = null;
-}
+$series = optional_param('series', null, PARAM_ALPHANUMEXT);
 $ocinstanceid = optional_param('ocinstanceid', settings_api::get_default_ocinstance()->id, PARAM_INT);
 
 $baseurlparams = [