diff --git a/mod/url/backup/moodle2/restore_url_activity_task.class.php b/mod/url/backup/moodle2/restore_url_activity_task.class.php
index d33e14e1210..106411b7fff 100644
--- a/mod/url/backup/moodle2/restore_url_activity_task.class.php
+++ b/mod/url/backup/moodle2/restore_url_activity_task.class.php
@@ -54,7 +54,7 @@ class restore_url_activity_task extends restore_activity_task {
     static public function define_decode_contents() {
         $contents = array();
 
-        $contents[] = new restore_decode_content('url', array('intro'), 'url');
+        $contents[] = new restore_decode_content('url', array('intro', 'externalurl'), 'url');
 
         return $contents;
     }