diff --git a/musician/models.py b/musician/models.py
index 0f924c4..477a371 100644
--- a/musician/models.py
+++ b/musician/models.py
@@ -170,10 +170,15 @@ class MailService(OrchestraModel):
     verbose_name = _('Mail addresses')
     description = _('Litle description of what to be expected in this section to aid the user. Even a link to more help if there is one available.')
     fields = ('mail_address', 'aliases', 'type', 'type_detail')
+    param_defaults = {}
 
     FORWARD = 'forward'
     MAILBOX = 'mailbox'
 
+    def __init__(self, **kwargs):
+        self.data = kwargs
+        super().__init__(**kwargs)
+
     @property
     def aliases(self):
         return [
@@ -213,6 +218,10 @@ class MailinglistService(OrchestraModel):
         'admin_email': None,
     }
 
+    def __init__(self, **kwargs):
+        self.data = kwargs
+        super().__init__(**kwargs)
+
     @property
     def status(self):
         # TODO(@slamora): where retrieve if the list is active?