diff --git a/l10n_us_ar_hr_payroll/models/hr_payroll.py b/l10n_us_ar_hr_payroll/models/hr_payroll.py
index e477e67e..2bb52b2c 100755
--- a/l10n_us_ar_hr_payroll/models/hr_payroll.py
+++ b/l10n_us_ar_hr_payroll/models/hr_payroll.py
@@ -4,7 +4,11 @@ from odoo import models, fields, api
 class USARHrContract(models.Model):
     _inherit = 'hr.contract'
 
-    ar_ar4ec_allowances = fields.Integer(string='Arkansas AR-4EC Allowances', default=0)
-    ar_ar4ec_additional_wh = fields.Float(string="Arkansas AR-4EC Additional Withholding", default=0.0)
-    ar_ar4ec_tax_exempt = fields.Boolean(string="Arkansas AR-4EC Tax Exempt")
-    ar_ar4ec_texarkana_exemption = fields.Boolean(string="Arkansas AR-4EC Texarkana Exemption")
+    ar_ar4ec_allowances = fields.Integer(string='Arkansas AR-4EC Allowances',
+                                         oldname='ar_w4_allowances')
+    ar_ar4ec_additional_wh = fields.Float(string="Arkansas AR-4EC Additional Withholding",
+                                          oldname='ar_w4_additional_wh')
+    ar_ar4ec_tax_exempt = fields.Boolean(string='Arkansas AR-4EC Tax Exempt',
+                                         oldname='ar_w4_tax_exempt')
+    ar_ar4ec_texarkana_exemption = fields.Boolean(string='Arkansas AR-4EC Texarkana Exemption',
+                                                  oldname='ar_w4_texarkana_exemption')