diff --git a/entity_emailer/interface.py b/entity_emailer/interface.py
index 03d9530..07b58ec 100644
--- a/entity_emailer/interface.py
+++ b/entity_emailer/interface.py
@@ -94,7 +94,7 @@ def send_unsent_scheduled_emails(cls):
             for email in emails_to_send:
                 try:
                     # Send mail
-                    connection.send_messages(email.get('message'))
+                    connection.send_messages([email.get('message')])
                 except Exception as e:
                     cls.save_email_exception(email.get('model'), e)
 
diff --git a/entity_emailer/tests/interface_tests.py b/entity_emailer/tests/interface_tests.py
index 3f672cf..1b92a01 100644
--- a/entity_emailer/tests/interface_tests.py
+++ b/entity_emailer/tests/interface_tests.py
@@ -451,7 +451,7 @@ def test_sends_email_with_specified_from_address(self, render_mock, address_mock
             EntityEmailerInterface.send_unsent_scheduled_emails()
 
             args = mock_connection.return_value.__enter__.return_value.send_messages.call_args
-            self.assertEqual(args[0][0].from_email, from_address)
+            self.assertEqual(args[0][0][0].from_email, from_address)
 
     @patch('entity_emailer.interface.get_subscribed_email_addresses')
     @patch.object(Event, 'render', spec_set=True)
diff --git a/entity_emailer/version.py b/entity_emailer/version.py
index e7c12d2..f593cd5 100644
--- a/entity_emailer/version.py
+++ b/entity_emailer/version.py
@@ -1 +1 @@
-__version__ = '2.0.3'
+__version__ = '2.0.4'
diff --git a/release_notes.rst b/release_notes.rst
index 3546d95..e508775 100644
--- a/release_notes.rst
+++ b/release_notes.rst
@@ -1,6 +1,10 @@
 Release Notes
 =============
 
+v2.0.4
+------
+* Bugfix for updated interface
+
 v2.0.3
 ------
 * Merging v2 hotfixes