diff --git a/addons/hr_expense/models/hr_expense.py b/addons/hr_expense/models/hr_expense.py
index fa2eadc2572..bffafef46b8 100644
--- a/addons/hr_expense/models/hr_expense.py
+++ b/addons/hr_expense/models/hr_expense.py
@@ -391,7 +391,7 @@ class HrExpenseSheet(models.Model):
         help="The journal used when the expense is done.")
     bank_journal_id = fields.Many2one('account.journal', string='Bank Journal', states={'done': [('readonly', True)], 'post': [('readonly', True)]}, default=lambda self: self.env['account.journal'].search([('type', 'in', ['case', 'bank'])], limit=1), help="The payment method used when the expense is paid by the company.")
     accounting_date = fields.Date(string="Accounting Date")
-    account_move_id = fields.Many2one('account.move', string='Journal Entry', copy=False)
+    account_move_id = fields.Many2one('account.move', string='Journal Entry', ondelete='restrict', copy=False)
     department_id = fields.Many2one('hr.department', string='Department', states={'post': [('readonly', True)], 'done': [('readonly', True)]})
 
     @api.multi