diff --git a/lib/classes/report_helper.php b/lib/classes/report_helper.php
index 5e7ced06ba4ac..8292823b7d7e4 100644
--- a/lib/classes/report_helper.php
+++ b/lib/classes/report_helper.php
@@ -157,6 +157,7 @@ public static function get_group_filter(stdClass $filterparams): array {
         } else {
             $joins[] = "userid = :userid";
             $params['userid'] = $filterparams->userid;
+            $useridfilter[$filterparams->userid] = true;
         }
 
         return [