diff --git a/l10n_it_withholding_tax_payment/models/withholding_tax.py b/l10n_it_withholding_tax_payment/models/withholding_tax.py
index 2b798db441ac..ec9484d04073 100644
--- a/l10n_it_withholding_tax_payment/models/withholding_tax.py
+++ b/l10n_it_withholding_tax_payment/models/withholding_tax.py
@@ -33,7 +33,7 @@ def check_unlink(self):
             raise ValidationError(
                 _('Warning! Withholding Tax moves in a payment: {}'
                   .format(
-                      wt_moves_not_eresable[0].sudo().wt_move_payment_id.name)))
+                    wt_moves_not_eresable[0].sudo().wt_move_payment_id.name)))
         super(WithholdingTaxMove, self).check_unlink()