diff --git a/mitterlib/ui/cmd.py b/mitterlib/ui/cmd.py
index 336ee25..2de141e 100644
--- a/mitterlib/ui/cmd.py
+++ b/mitterlib/ui/cmd.py
@@ -28,18 +28,14 @@ from mitterlib.network import NetworksNoNetworkSetupError, NetworksError
 from mitterlib.network.networkbase import NetworkError, \
     NetworkPermissionDeniedError
 
-namespace = 'cmd' # TODO: rename this var to NAMESPACE (check other files too)
 _log = logging.getLogger('ui.cmd')
 
 
-def options(options):
-    # no options for this interface
-    return
-
-
 class Interface(cmd.Cmd):
     """The command line interface for Mitter."""
 
+    NAMESPACE = 'cmd'
+
     # -----------------------------------------------------------------------
     # Methods required by cmd.Cmd (our commands)
     # -----------------------------------------------------------------------
@@ -324,3 +320,8 @@ class Interface(cmd.Cmd):
         warnings.simplefilter('error')  # Warnings are exceptions
         self.cmdloop()
         return
+
+    @classmethod
+    def options(self, options):
+        # no options for this interface
+        return
diff --git a/mitterlib/ui/mh.py b/mitterlib/ui/mh.py
index addae91..0d741c7 100644
--- a/mitterlib/ui/mh.py
+++ b/mitterlib/ui/mh.py
@@ -28,18 +28,14 @@ from mitterlib.network import NetworksNoNetworkSetupError, NetworksError
 from mitterlib.network.networkbase import NetworkError, \
     NetworkPermissionDeniedError
 
-namespace = 'cmd' # TODO: rename this var to NAMESPACE (check other files too)
 _log = logging.getLogger('ui.cmd')
 
 
-def options(options):
-    # no options for this interface
-    return
-
-
 class Interface(cmd.Cmd):
     """A MH-like interface to Mitter."""
 
+    NAMESPACE = 'mh'
+
     # -----------------------------------------------------------------------
     # Commands
     # -----------------------------------------------------------------------
@@ -161,3 +157,8 @@ class Interface(cmd.Cmd):
         warnings.simplefilter('error')  # Warnings are exceptions
         self.cmdloop()
         return
+
+    @classmethod
+    def options(self, options):
+        # no options for this interface
+        return
diff --git a/mitterlib/ui/tty.py b/mitterlib/ui/tty.py
index ca6f01f..838e86b 100644
--- a/mitterlib/ui/tty.py
+++ b/mitterlib/ui/tty.py
@@ -17,8 +17,6 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-NAMESPACE = 'tty'
-
 import mitterlib.ui.console_utils as console_utils
 import logging
 from mitterlib.network.networkbase import NetworkError
@@ -27,41 +25,11 @@ from mitterlib.network import NetworksNoNetworkSetupError, NetworksError
 _log = logging.getLogger('ui.tty')
 
 
-def options(options):
-    """Add command line options for this interface."""
-    options.add_group(NAMESPACE, 'TTY interface')   # This surely needs a
-                                                    # better description
-    options.add_option('--messages',
-            group=NAMESPACE,
-            option='messages',
-            help='Display the latest messages.',
-            default=False,
-            action='store_true',
-            is_config_option=False,
-            conflict_group='interface')
-    options.add_option('--update',
-            group=NAMESPACE,
-            option='update',
-            default=None,
-            help='Update your status',
-            metavar='STATUS',
-            type='str',
-            is_config_option=False,
-            conflict_group='interface')
-    options.add_option('--replies',
-            group=NAMESPACE,
-            option='replies',
-            help='Get a list of replies instead of the friends timeline',
-            default=False,
-            action='store_true',
-            is_config_option=False,
-            conflict_group='interface')
-    return
-
-
 class Interface(object):
     """The console/tty interface for Mitter."""
 
+    NAMESPACE = 'tty'
+
     # -----------------------------------------------------------------------
     # Private functions
     # -----------------------------------------------------------------------
@@ -117,14 +85,45 @@ class Interface(object):
 
     def __call__(self):
         """The callable function, used by mitter to start the interface."""
-        status_message = self._options[NAMESPACE]['update']
+        status_message = self._options[self.NAMESPACE]['update']
         if status_message:
             self._update(status_message)
             return
 
-        if self._options[NAMESPACE]['replies']:
+        if self._options[self.NAMESPACE]['replies']:
             self._replies()
             return
 
         self._messages()
         return
+
+    @classmethod
+    def options(self, options):
+        """Add command line options for this interface."""
+        options.add_group(self.NAMESPACE, 'TTY interface')
+        options.add_option('--messages',
+                group=self.NAMESPACE,
+                option='messages',
+                help='Display the latest messages.',
+                default=False,
+                action='store_true',
+                is_config_option=False,
+                conflict_group='interface')
+        options.add_option('--update',
+                group=self.NAMESPACE,
+                option='update',
+                default=None,
+                help='Update your status',
+                metavar='STATUS',
+                type='str',
+                is_config_option=False,
+                conflict_group='interface')
+        options.add_option('--replies',
+                group=self.NAMESPACE,
+                option='replies',
+                help='Get a list of replies instead of the friends timeline',
+                default=False,
+                action='store_true',
+                is_config_option=False,
+                conflict_group='interface')
+        return