diff --git a/mod/quiz/db/upgrade.php b/mod/quiz/db/upgrade.php
index 808cbda40a772..babdabd62226f 100644
--- a/mod/quiz/db/upgrade.php
+++ b/mod/quiz/db/upgrade.php
@@ -197,5 +197,15 @@ function xmldb_quiz_upgrade($oldversion) {
     // Automatically generated Moodle v4.3.0 release upgrade line.
     // Put any upgrade step following this.
 
+    if ($oldversion < 2023100902) {
+
+        // Set the value for all existing rows to match the previous behaviour,
+        // but only where users have not already set another value.
+        $DB->set_field('quiz', 'reviewmaxmarks', 0x11110, ['reviewmaxmarks' => 0]);
+
+        // Quiz savepoint reached.
+        upgrade_mod_savepoint(true, 2023100902, 'quiz');
+    }
+
     return true;
 }
diff --git a/mod/quiz/version.php b/mod/quiz/version.php
index 75e5bdde2be4d..df9a788750c1a 100644
--- a/mod/quiz/version.php
+++ b/mod/quiz/version.php
@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version = 2023100900;
+$plugin->version = 2023100902;
 $plugin->requires = 2023100400;
 $plugin->component = 'mod_quiz';