diff --git a/backup/converter/imscc11/backuplib.php b/backup/converter/imscc11/backuplib.php
index b6d7154f8ba..2d749bda4f8 100644
--- a/backup/converter/imscc11/backuplib.php
+++ b/backup/converter/imscc11/backuplib.php
@@ -139,7 +139,7 @@ class imscc11_backup_convert extends backup_execution_step {
 
         require_once($CFG->dirroot . '/backup/cc/cc_includes.php');
 
-        $tempdir = $CFG->dataroot . '/temp/backup/' . uniqid('', true);
+        $tempdir = $CFG->tempdir . '/backup/' . uniqid('', true);
 
         if (mkdir($tempdir, $CFG->directorypermissions, true)) {