diff --git a/request_document_expense/models/hr_expense.py b/request_document_expense/models/hr_expense.py
index b8d4431b..f4d3737e 100644
--- a/request_document_expense/models/hr_expense.py
+++ b/request_document_expense/models/hr_expense.py
@@ -52,7 +52,7 @@ def write(self, vals):
                 and rec.sheet_id.request_document_id.state != "done"
             ):
                 raise UserError(
-                    self.env._(
+                    _(
                         "You cannot modify this record because the related "
                         "Request Document is not in 'Done' state."
                     )