diff --git a/cvat/apps/engine/backup.py b/cvat/apps/engine/backup.py
index da42cab6..3d340b81 100644
--- a/cvat/apps/engine/backup.py
+++ b/cvat/apps/engine/backup.py
@@ -106,6 +106,7 @@ class _TaskBackupBase():
             'outside',
             'z_order',
             'points',
+            'rotation',
             'frame',
             'group',
             'source',