diff --git a/pyproject.toml b/pyproject.toml
index 21051ed..bb0315b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "radiacode"
-version = "0.1.2"
+version = "0.1.3"
 description = "Library for RadiaCode-101"
 authors = ["Maxim Andreev <andreevmaxim@gmail.com>"]
 license = "MIT"
diff --git a/radiacode-examples/webserver.py b/radiacode-examples/webserver.py
index 534d00b..770d2d9 100644
--- a/radiacode-examples/webserver.py
+++ b/radiacode-examples/webserver.py
@@ -98,4 +98,4 @@ async def on_startup(app):
             web.get('/ws', handle_ws),
         ],
     )
-    web.run_app(app, host=args.listen_host, port=args.list_port)
+    web.run_app(app, host=args.listen_host, port=args.listen_port)