diff --git a/cloudkitty/api/app.py b/cloudkitty/api/app.py
index f843d3dd..55593439 100644
--- a/cloudkitty/api/app.py
+++ b/cloudkitty/api/app.py
@@ -45,12 +45,12 @@ auth_opts = [
 ]
 
 api_opts = [
-    cfg.StrOpt('host_ip',
-               default="0.0.0.0",
-               help='Host serving the API.'),
-    cfg.IntOpt('port',
-               default=8888,
-               help='Host port serving the API.'),
+    cfg.IPOpt('host_ip',
+              default="0.0.0.0",
+              help='Host serving the API.'),
+    cfg.PortOpt('port',
+                default=8888,
+                help='Host port serving the API.'),
     cfg.BoolOpt('pecan_debug',
                 default=False,
                 help='Toggle Pecan Debug Middleware.'),