diff --git a/mod/quiz/review.php b/mod/quiz/review.php
index 584e12c8a49..8ecae8930f6 100644
--- a/mod/quiz/review.php
+++ b/mod/quiz/review.php
@@ -171,7 +171,7 @@ if ($attempt->timefinish) {
 if (!empty($overtime)) {
     $summarydata['overdue'] = array(
         'title'   => get_string('overdue', 'quiz'),
-        'content' => format_time($overtime),
+        'content' => $overtime,
     );
 }