diff --git a/backup/moodle2/backup_stepslib.php b/backup/moodle2/backup_stepslib.php
index 51b6b475882..06d6aaa8798 100644
--- a/backup/moodle2/backup_stepslib.php
+++ b/backup/moodle2/backup_stepslib.php
@@ -210,7 +210,7 @@ abstract class backup_questions_activity_structure_step extends backup_activity_
 
         $qas = new backup_nested_element($nameprefix . 'question_attempts');
         $qa = new backup_nested_element($nameprefix . 'question_attempt', array('id'), array(
-                'slot', 'behaviour', 'questionid', 'maxmark', 'minfraction',
+                'slot', 'behaviour', 'questionid', 'variant', 'maxmark', 'minfraction',
                 'flagged', 'questionsummary', 'rightanswer', 'responsesummary',
                 'timemodified'));
 
diff --git a/backup/moodle2/restore_stepslib.php b/backup/moodle2/restore_stepslib.php
index f7b0fb30009..14c7ca7f7be 100644
--- a/backup/moodle2/restore_stepslib.php
+++ b/backup/moodle2/restore_stepslib.php
@@ -4047,6 +4047,9 @@ abstract class restore_questions_activity_structure_step extends restore_activit
 
         $data->questionusageid = $this->get_new_parentid($nameprefix . 'question_usage');
         $data->questionid      = $question->newitemid;
+        if (!property_exists($data, 'variant')) {
+            $data->variant = 1;
+        }
         $data->timemodified    = $this->apply_date_offset($data->timemodified);
 
         $newitemid = $DB->insert_record('question_attempts', $data);