diff --git a/tricircle/api/app.py b/tricircle/api/app.py
index 941ae98..597b2a2 100644
--- a/tricircle/api/app.py
+++ b/tricircle/api/app.py
@@ -22,10 +22,10 @@ from tricircle.common import restapp
 
 
 common_opts = [
-    cfg.StrOpt('bind_host', default='0.0.0.0',
-               help=_("The host IP to bind to")),
-    cfg.IntOpt('bind_port', default=19999,
-               help=_("The port to bind to")),
+    cfg.IPOpt('bind_host', default='0.0.0.0',
+              help=_("The host IP to bind to")),
+    cfg.PortOpt('bind_port', default=19999,
+                help=_("The port to bind to")),
     cfg.IntOpt('api_workers', default=1,
                help=_("number of api workers")),
     cfg.StrOpt('api_extensions_path', default="",
diff --git a/tricircle/cinder_apigw/app.py b/tricircle/cinder_apigw/app.py
index 2eaf00a..524ee1f 100644
--- a/tricircle/cinder_apigw/app.py
+++ b/tricircle/cinder_apigw/app.py
@@ -22,10 +22,10 @@ from tricircle.common import restapp
 
 
 common_opts = [
-    cfg.StrOpt('bind_host', default='0.0.0.0',
-               help=_("The host IP to bind to")),
-    cfg.IntOpt('bind_port', default=19997,
-               help=_("The port to bind to")),
+    cfg.IPOpt('bind_host', default='0.0.0.0',
+              help=_("The host IP to bind to")),
+    cfg.PortOpt('bind_port', default=19997,
+                help=_("The port to bind to")),
     cfg.IntOpt('api_workers', default=1,
                help=_("number of api workers")),
     cfg.StrOpt('api_extensions_path', default="",
diff --git a/tricircle/nova_apigw/app.py b/tricircle/nova_apigw/app.py
index 489f313..9a16994 100644
--- a/tricircle/nova_apigw/app.py
+++ b/tricircle/nova_apigw/app.py
@@ -22,10 +22,10 @@ from tricircle.nova_apigw.controllers import root
 
 
 common_opts = [
-    cfg.StrOpt('bind_host', default='0.0.0.0',
-               help=_("The host IP to bind to")),
-    cfg.IntOpt('bind_port', default=19998,
-               help=_("The port to bind to")),
+    cfg.IPOpt('bind_host', default='0.0.0.0',
+              help=_("The host IP to bind to")),
+    cfg.PortOpt('bind_port', default=19998,
+                help=_("The port to bind to")),
     cfg.IntOpt('api_workers', default=1,
                help=_("number of api workers")),
     cfg.StrOpt('api_extensions_path', default="",
diff --git a/tricircle/tests/base.py b/tricircle/tests/base.py
index f9d3bcd..3f692f8 100644
--- a/tricircle/tests/base.py
+++ b/tricircle/tests/base.py
@@ -18,13 +18,21 @@ from oslo_config import cfg
 from oslotest import base
 
 
+CONFLICT_OPT_NAMES = [
+    'api_extensions_path',
+    'bind_port',
+    'bind_host'
+]
+
+
 class TestCase(base.BaseTestCase):
     """Test case base class for all unit tests."""
     def setUp(self):
-        # neutron has configuration options "api_extensions_path" and
-        # "bind_port" which conflicts with tricircle configuration option,
-        # so unregister this option before running tricircle tests
+        # neutron has configuration options "api_extensions_path",
+        # "bind_port"  and "bind_host"which conflicts with tricircle
+        # configuration option, so unregister this option before
+        # running tricircle tests
         for opt in config.core_opts:
-            if opt.name == 'api_extensions_path' or opt.name == 'bind_port':
+            if opt.name in CONFLICT_OPT_NAMES:
                 cfg.CONF.unregister_opt(opt)
         super(TestCase, self).setUp()