diff --git a/grade/report/grader/templates/grademenu.mustache b/grade/report/grader/templates/grademenu.mustache
index 11c997dd7d5..4ffd8decc0d 100644
--- a/grade/report/grader/templates/grademenu.mustache
+++ b/grade/report/grader/templates/grademenu.mustache
@@ -20,7 +20,7 @@
         "hideurl": "<a class='dropdown-item' aria-label='Single view for this item' role='menuitem' href='grade/edit/tree/action.php?id=13&sesskey=sMAOMLAAN5&eid=n608u85&gpr_type=report&gpr_plugin=grader&gpr_courseid=13&action=hide'>Hide</a>"
     }
 }}
-<div class="action-menu mb-1 moodle-actionmenu">
+<div class="action-menu mb-1 moodle-actionmenu grader">
     <div class="dropdown">
         <button class="btn btn-link btn-icon icon-size-3 grademenubtn"
                 type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">