diff --git a/liquidation.py b/liquidation.py
index ded2457..6f3c4da 100644
--- a/liquidation.py
+++ b/liquidation.py
@@ -262,7 +262,7 @@ class Liquidation(Workflow, ModelSQL, ModelView):
                 'description': wage_tax['name'],
                 'amount': amount_tax * -1,
                 'days': rec.time_contracting,
-                'account': wage_tax.credit_account,
+                'account': wage_tax['credit_account'],
             }
             cls.write([rec], {
                 'lines': [('create', [create_tax])]