diff --git a/admin/backup.php b/admin/backup.php
index d97e5239e2c..57f92ecae54 100644
--- a/admin/backup.php
+++ b/admin/backup.php
@@ -77,7 +77,7 @@
         }
         if ($status) {
             //get courses
-            if ($courses = get_records("course")) {
+            if ($courses = get_records('course', '', '', '', 'id,shortname')) {
                 //For each course, we check (insert, update) the backup_course table
                 //with needed data
                 foreach ($courses as $course) {