diff --git a/ext/custom-addons/dp_custom/models/account.py b/ext/custom-addons/dp_custom/models/account.py
index f0b92f00..28ea0f62 100644
--- a/ext/custom-addons/dp_custom/models/account.py
+++ b/ext/custom-addons/dp_custom/models/account.py
@@ -131,11 +131,16 @@ class AccountInvoice(models.Model):
         self.ensure_one()
         info = "Bei folgenden Produkten fehlt die Zolltarifnummer:\n"
         intrastrat_not_set = False
+        position = 1
         for invoice_line in self.invoice_line_ids:
             if invoice_line.product_id and invoice_line.product_id.type != 'service':
                 if not invoice_line.intrastat_id and not invoice_line.hide_intrastat_code:
-                    info += invoice_line.name + "\n"
+                    info += "Zeile: "+str(position)
+                    if invoice_line.product_id.default_code:
+                        info += "\tProduktcode: " + invoice_line.product_id.default_code
+                    info += "\n"
                     intrastrat_not_set = True
+            position += 1
         if intrastrat_not_set:
             action = self.env.ref('dp_custom.action_wizard_confirm_print_invoice').read()[0]
             action['context'] = str({"default_info": info, "invoice_ids": self.env.context.get("active_ids")})