diff --git a/addons/account/models/account_invoice_import_wizard.py b/addons/account/models/account_invoice_import_wizard.py
index 936d0d30904..9b6641be7e4 100644
--- a/addons/account/models/account_invoice_import_wizard.py
+++ b/addons/account/models/account_invoice_import_wizard.py
@@ -13,6 +13,7 @@ class ImportInvoiceImportWizard(models.TransientModel):
     def _create_invoice_from_file(self, attachment):
         invoice_form = Form(self.env['account.invoice'], view='account.invoice_supplier_form')
         invoice = invoice_form.save()
+        attachment.write({'res_model': 'account.invoice', 'res_id': invoice.id})
         invoice.message_post(attachment_ids=[attachment.id])
         return invoice