diff --git a/cmis_report_write/models/ir_actions_report.py b/cmis_report_write/models/ir_actions_report.py
index 24ca49f2..16ecbfdf 100644
--- a/cmis_report_write/models/ir_actions_report.py
+++ b/cmis_report_write/models/ir_actions_report.py
@@ -219,7 +219,7 @@ def _get_cmis_filename(self, record):
     def _get_backend(self, record):
         self.ensure_one()
         if self.cmis_folder_field_id:
-            field = record._fields[self.cmis_folder_field_id.name]
+            field = record._fields[self.sudo().cmis_folder_field_id.name]
             return field.get_backend(self.env)
         return self.cmis_backend_id