diff --git a/realms/__init__.py b/realms/__init__.py
index 57779ac..8a9bda1 100644
--- a/realms/__init__.py
+++ b/realms/__init__.py
@@ -17,6 +17,7 @@ from flask.ext.login import LoginManager, current_user
 from flask.ext.sqlalchemy import SQLAlchemy
 from flask.ext.assets import Environment, Bundle
 from flask_ldap_login import LDAPLoginManager
+from functools import update_wrapper
 from werkzeug.routing import BaseConverter
 from werkzeug.exceptions import HTTPException
 from sqlalchemy.ext.declarative import declarative_base
@@ -111,12 +112,14 @@ class Assets(Environment):
 
         return super(Assets, self).register(name, Bundle(*args, filters=filters, output=output))
 
+
 class MyLDAPLoginManager(LDAPLoginManager):
     @property
     def attrlist(self):
         # the parent method doesn't always work
         return None
 
+
 class RegexConverter(BaseConverter):
     """ Enables Regex matching on endpoints
     """
@@ -243,8 +246,6 @@ assets.register('main.css',
                 'css/style.css')
 
 
-from functools import update_wrapper
-
 def with_appcontext(f):
     """Wraps a callback so that it's guaranteed to be executed with the
     script's application context.  If callbacks are registered directly
@@ -288,6 +289,7 @@ class AppGroup(click.Group):
 
 flask_cli = AppGroup()
 
+
 @flask_cli.group()
 def cli():
     pass
diff --git a/realms/commands.py b/realms/commands.py
index 326d67d..1b266f7 100644
--- a/realms/commands.py
+++ b/realms/commands.py
@@ -291,7 +291,8 @@ def configure(json_string):
 
 @cli.command()
 @click.option('--port', default=config.PORT)
-def dev(port):
+@click.option('--host', default=config.HOST)
+def dev(port, host):
     """ Run development server
     """
     green("Starting development server")
@@ -302,7 +303,7 @@ def dev(port):
     else:
         yellow("Using default configuration")
 
-    create_app().run(host="0.0.0.0",
+    create_app().run(host=host,
                      port=port,
                      debug=True)
 
@@ -332,8 +333,8 @@ def start_server():
     if in_virtualenv():
         prefix = get_prefix() + "/bin/"
 
-    Popen("%sgunicorn 'realms:create_app()' -b 0.0.0.0:%s -k gevent %s" %
-          (prefix, config.PORT, flags), shell=True, executable='/bin/bash')
+    Popen("%sgunicorn 'realms:create_app()' -b %s:%s -k gevent %s" %
+          (config.HOST, prefix, config.PORT, flags), shell=True, executable='/bin/bash')
 
 
 def stop_server():
diff --git a/realms/config/__init__.py b/realms/config/__init__.py
index 3dba1a8..3bb8644 100644
--- a/realms/config/__init__.py
+++ b/realms/config/__init__.py
@@ -3,6 +3,7 @@ import json
 from urlparse import urlparse
 from realms.lib.util import in_vagrant
 
+
 def update(data):
     conf = read()
     conf.update(data)
@@ -72,6 +73,7 @@ DEBUG = True
 ASSETS_DEBUG = True
 SQLALCHEMY_ECHO = False
 
+HOST = "0.0.0.0"
 PORT = 5000
 BASE_URL = 'http://localhost'
 SITE_TITLE = "Realms"