diff --git a/l10n_nl_tax_statement/models/l10n_nl_vat_statement.py b/l10n_nl_tax_statement/models/l10n_nl_vat_statement.py
index ad081ad72..7872ac4e7 100644
--- a/l10n_nl_tax_statement/models/l10n_nl_vat_statement.py
+++ b/l10n_nl_tax_statement/models/l10n_nl_vat_statement.py
@@ -130,15 +130,17 @@ def _get_unreported_move_domain(self):
     )
     unreported_move_from_date = fields.Date()
 
-    @api.multi
     def _compute_is_invoice_basis(self):
-        self.is_invoice_basis = False
         has_invoice_basis = self.env['ir.model.fields'].sudo().search_count([
             ('model', '=', 'res.company'),
             ('name', '=', 'l10n_nl_tax_invoice_basis')
         ])
-        if has_invoice_basis:
-            self.is_invoice_basis = self.company_id.l10n_nl_tax_invoice_basis
+        for statement in self:
+            if has_invoice_basis:
+                invoice_basis = statement.company_id.l10n_nl_tax_invoice_basis
+                statement.is_invoice_basis = invoice_basis
+            else:
+                statement.is_invoice_basis = False
 
     is_invoice_basis = fields.Boolean(
         string='NL Tax Invoice Basis',