diff --git a/backup/moodle2/restore_stepslib.php b/backup/moodle2/restore_stepslib.php
index dee1bdbc48b..a43e74a902d 100644
--- a/backup/moodle2/restore_stepslib.php
+++ b/backup/moodle2/restore_stepslib.php
@@ -3706,6 +3706,11 @@ class restore_create_categories_and_questions extends restore_structure_step {
 
         $data = (object)$data;
         $newquestion = $this->get_new_parentid('question');
+        $questioncreated = (bool) $this->get_mappingid('question_created', $this->get_old_parentid('question'));
+        if (!$questioncreated) {
+            // This question already exists in the question bank. Nothing for us to do.
+            return;
+        }
 
         if (!empty($CFG->usetags)) { // if enabled in server
             // TODO: This is highly inefficient. Each time we add one tag