diff --git a/mod/assign/locallib.php b/mod/assign/locallib.php
index 4dae25332afad..b45d03204ee8f 100644
--- a/mod/assign/locallib.php
+++ b/mod/assign/locallib.php
@@ -7046,14 +7046,13 @@ public function add_grade_form_elements(MoodleQuickForm $mform, stdClass $data,
         if (!empty($CFG->enableoutcomes)) {
             foreach ($gradinginfo->outcomes as $index => $outcome) {
                 $options = make_grades_menu(-$outcome->scaleid);
+                $options[0] = get_string('nooutcome', 'grades');
                 if ($outcome->grades[$userid]->locked) {
-                    $options[0] = get_string('nooutcome', 'grades');
                     $mform->addElement('static',
                                        'outcome_' . $index . '[' . $userid . ']',
                                        $outcome->name . ':',
                                        $options[$outcome->grades[$userid]->grade]);
                 } else {
-                    $options[''] = get_string('nooutcome', 'grades');
                     $attributes = array('id' => 'menuoutcome_' . $index );
                     $mform->addElement('select',
                                        'outcome_' . $index . '[' . $userid . ']',