diff --git a/mod/quiz/report/overview/overview_options.php b/mod/quiz/report/overview/overview_options.php
index e0c36991d54..57c1240bbd8 100644
--- a/mod/quiz/report/overview/overview_options.php
+++ b/mod/quiz/report/overview/overview_options.php
@@ -74,7 +74,7 @@ class quiz_overview_options extends mod_quiz_attempts_report_options {
     public function setup_from_user_preferences() {
         parent::setup_from_user_preferences();
 
-        $this->slotmarks = get_user_preferences('quiz_report_overview_detailedmarks', $this->slotmarks);
+        $this->slotmarks = get_user_preferences('quiz_overview_slotmarks', $this->slotmarks);
     }
 
     public function update_user_preferences() {