diff --git a/novaclient/v1_1/shell.py b/novaclient/v1_1/shell.py
index 8dd4dce7b..d5c0469bb 100644
--- a/novaclient/v1_1/shell.py
+++ b/novaclient/v1_1/shell.py
@@ -2921,7 +2921,7 @@ def _treeizeAvailabilityZone(zone):
                 az.zoneState = '%s %s %s' % (
                                'enabled' if state['active'] else 'disabled',
                                ':-)' if state['available'] else 'XXX',
-                               timeutils.strtime(state['updated_at']))
+                               state['updated_at'])
                 az._info['zoneName'] = az.zoneName
                 az._info['zoneState'] = az.zoneState
                 result.append(az)
diff --git a/tests/v1_1/test_availability_zone.py b/tests/v1_1/test_availability_zone.py
index b06f21def..f270bec27 100644
--- a/tests/v1_1/test_availability_zone.py
+++ b/tests/v1_1/test_availability_zone.py
@@ -62,12 +62,12 @@ class AvailabilityZoneTest(utils.TestCase):
 
         l0 = [u'zone-1', u'available']
         l1 = [u'|- fake_host-1', u'']
-        l2 = [u'| |- nova-compute', u'enabled :-) 2012-12-26T14:45:25.000000']
+        l2 = [u'| |- nova-compute', u'enabled :-) 2012-12-26 14:45:25']
         l3 = [u'internal', u'available']
         l4 = [u'|- fake_host-1', u'']
-        l5 = [u'| |- nova-sched', u'enabled :-) 2012-12-26T14:45:25.000000']
+        l5 = [u'| |- nova-sched', u'enabled :-) 2012-12-26 14:45:25']
         l6 = [u'|- fake_host-2', u'']
-        l7 = [u'| |- nova-network', u'enabled XXX 2012-12-26T14:45:24.000000']
+        l7 = [u'| |- nova-network', u'enabled XXX 2012-12-26 14:45:24']
         l8 = [u'zone-2', u'not available']
 
         z0 = shell._treeizeAvailabilityZone(zones[0])