diff --git a/eopayment/dummy.py b/eopayment/dummy.py
index 62a4d59..0d6a3ca 100644
--- a/eopayment/dummy.py
+++ b/eopayment/dummy.py
@@ -1,11 +1,10 @@
-import urllib
 import string
 import logging
 import warnings
 
 def N_(message): return message
 
-from six.moves.urllib.parse import parse_qs
+from six.moves.urllib.parse import parse_qs, urlencode
 
 from .common import PaymentCommon, URL, PaymentResponse, PAID, ERROR, WAITING, ResponseError
 
@@ -114,7 +113,7 @@ class Payment(PaymentCommon):
         for key in list(query.keys()):
             if query[key] is None:
                 del query[key]
-        url = '%s?%s' % (SERVICE_URL, urllib.urlencode(query))
+        url = '%s?%s' % (SERVICE_URL, urlencode(query))
         return transaction_id, URL, url
 
     def response(self, query_string, logger=LOGGER, **kwargs):