diff --git a/src/pretix/base/services/tax.py b/src/pretix/base/services/tax.py
index 7b830eea9..70446dfdc 100644
--- a/src/pretix/base/services/tax.py
+++ b/src/pretix/base/services/tax.py
@@ -152,7 +152,7 @@ def _validate_vat_id_EU(vat_id, country_code):
         valid_elements = envelope.findall('./soap:Body/vat:checkVatResponse/vat:valid', namespaces)
         if not valid_elements:
             logger.error(
-                f'VAT ID checking failed for {country_code} due to missing <valid> tag'
+                f'VAT ID checking failed for {country_code} due to missing <valid> tag, response was: {return_xml}'
             )
             raise VATIDTemporaryError(error_messages['unavailable'])