diff --git a/lib/filestorage/zip_packer.php b/lib/filestorage/zip_packer.php
index 2cae4351137..a7726a66dbb 100644
--- a/lib/filestorage/zip_packer.php
+++ b/lib/filestorage/zip_packer.php
@@ -299,7 +299,7 @@ class zip_packer extends file_packer {
         global $CFG;
 
         if (!is_string($archivefile)) {
-            return $archivefile->extract_to_pathname($this, $contextid, $component, $filearea, $itemid, $pathbase, $userid);
+            return $archivefile->extract_to_storage($this, $contextid, $component, $filearea, $itemid, $pathbase, $userid);
         }
 
         check_dir_exists($CFG->tempdir.'/zip');