diff --git a/extra/modules/payments.py b/extra/modules/payments.py
index eeb42ad..7cd3713 100644
--- a/extra/modules/payments.py
+++ b/extra/modules/payments.py
@@ -24,6 +24,7 @@ from qommon import errors, get_logger, get_cfg, emails
 from qommon.storage import StorableObject
 from qommon.form import htmltext, StringWidget, TextWidget, SingleSelectWidget, \
     WidgetDict
+from qommon.misc import latin1_to_ascii
 
 from wcs.formdef import FormDef
 from wcs.formdata import Evolution
@@ -406,7 +407,7 @@ def request_payment(invoice_ids, url, add_regie=True):
     if request.user and request.user.email:
         request_kwargs['email'] = request.user.email
     if request.user and request.user.display_name:
-        request_kwargs['name'] = request.user.display_name
+        request_kwargs['name'] = latin1_to_ascii(request.user.display_name)
     (order_id, kind, data) = payment.request(amount, next_url=url, **request_kwargs)
     transaction.order_id = order_id
     transaction.store()