diff --git a/eopayment/dummy.py b/eopayment/dummy.py
index 8d63936..7e207bb 100644
--- a/eopayment/dummy.py
+++ b/eopayment/dummy.py
@@ -144,7 +144,7 @@ class Payment(PaymentCommon):
 
     def request(self, amount, name=None, address=None, email=None, phone=None,
                 orderid=None, info1=None, info2=None, info3=None,
-                next_url=None, capture_day=None, **kwargs):
+                next_url=None, capture_day=None, subject=None, **kwargs):
         self.logger.debug(
             '%s amount %s name %s address %s email %s phone %s'
             ' next_url %s info1 %s info2 %s info3 %s kwargs: %s',
@@ -174,6 +174,8 @@ class Payment(PaymentCommon):
                  orderid=orderid, info1=info1, info2=info2, info3=info3))
         if capture_day is not None:
             query['capture_day'] = str(capture_day)
+        if subject is not None:
+            query['subject'] = subject
         for key in list(query.keys()):
             if query[key] is None:
                 del query[key]
diff --git a/tests/test_dummy.py b/tests/test_dummy.py
index df0bb49..e7bfaa1 100644
--- a/tests/test_dummy.py
+++ b/tests/test_dummy.py
@@ -33,7 +33,7 @@ def backend():
 
 def test_request(backend, freezer):
     freezer.move_to('2020-01-01 00:00:00+01:00')
-    transaction_id, method, raw_url = backend.request('10.10', capture_date=datetime.date(2020, 1, 7))
+    transaction_id, method, raw_url = backend.request('10.10', capture_date=datetime.date(2020, 1, 7), subject='Repas pour 4 personnes')
     assert transaction_id
     assert method == 1
     url = urlparse(raw_url)
@@ -47,6 +47,7 @@ def test_request(backend, freezer):
     assert qs['amount'] == '10.10'
     assert qs['origin'] == 'Mairie de Perpette-les-oies'
     assert qs['capture_day'] == '6'
+    assert qs['subject'] == 'Repas pour 4 personnes'
 
 
 def test_response(backend):