diff --git a/addons/hr_expense/models/hr_expense.py b/addons/hr_expense/models/hr_expense.py
index f68f6225321..7a19e73b819 100644
--- a/addons/hr_expense/models/hr_expense.py
+++ b/addons/hr_expense/models/hr_expense.py
@@ -4,7 +4,7 @@
 import re
 
 from odoo import api, fields, models, _
-from odoo.exceptions import UserError
+from odoo.exceptions import UserError, ValidationError
 from odoo.tools import email_split, float_is_zero
 
 from odoo.addons import decimal_precision as dp