diff --git a/octodns/provider/dyn.py b/octodns/provider/dyn.py
index 65acf1d..010fd31 100644
--- a/octodns/provider/dyn.py
+++ b/octodns/provider/dyn.py
@@ -291,7 +291,8 @@ class DynProvider(BaseProvider):
                 try:
                     fqdn, _type = td.label.split(':', 1)
                 except ValueError as e:
-                    self.log.warn("Failed to load TraficDirector '{}': {}".format(td.label, e))
+                    self.log.warn("Failed to load TraficDirector '%s': %s",
+                                  td.label, e.message)
                     continue
                 tds[fqdn][_type] = td
             self._traffic_directors = dict(tds)
diff --git a/tests/test_octodns_provider_dyn.py b/tests/test_octodns_provider_dyn.py
index 5e4c86b..4415347 100644
--- a/tests/test_octodns_provider_dyn.py
+++ b/tests/test_octodns_provider_dyn.py
@@ -8,7 +8,7 @@ from __future__ import absolute_import, division, print_function, \
 from dyn.tm.errors import DynectGetError
 from dyn.tm.services.dsf import DSFResponsePool
 from json import loads
-from mock import MagicMock, call, patch, Mock
+from mock import MagicMock, call, patch
 from unittest import TestCase
 
 from octodns.record import Create, Delete, Record, Update
@@ -650,8 +650,10 @@ class TestDynProviderGeo(TestCase):
                           set(tds.keys()))
         self.assertEquals(['A'], tds['unit.tests.'].keys())
         self.assertEquals(['A'], tds['geo.unit.tests.'].keys())
-        provider.log.warn.assert_called_with("Failed to load TraficDirector 'something else': need more than 1 value to unpack")
-
+        provider.log.warn.assert_called_with("Failed to load TraficDirector "
+                                             "'%s': %s", 'something else',
+                                             'need more than 1 value to '
+                                             'unpack')
 
     @patch('dyn.core.SessionEngine.execute')
     def test_traffic_director_monitor(self, mock):