diff --git a/README.md b/README.md
index d308030..7b0b606 100644
--- a/README.md
+++ b/README.md
@@ -245,6 +245,14 @@ $ ros2 run yasmin_viewer yasmin_viewer_node
 
 http://localhost:5000/
 
+### Also you can custom host and port
+
+```shell
+$ ros2 run yasmin_viewer yasmin_viewer_node --ros-args -p host:=127.0.0.1 -p port:=5032
+```
+
+http://127.0.0.1:5032/
+
 ## Citations
 
 ```bibtex
diff --git a/yasmin_viewer/yasmin_viewer/yasmin_viewer_node.py b/yasmin_viewer/yasmin_viewer/yasmin_viewer_node.py
index 60735c5..4a26047 100644
--- a/yasmin_viewer/yasmin_viewer/yasmin_viewer_node.py
+++ b/yasmin_viewer/yasmin_viewer/yasmin_viewer_node.py
@@ -44,7 +44,15 @@ class YasminFsmViewer(Node):
     def __init__(self) -> None:
 
         super().__init__("yasmin_viewer")
-
+        
+        self.declare_parameters(
+            namespace="",
+            parameters=[
+                ("host", "localhost"),
+                ("port", 5000),
+            ]
+        )
+        
         self.__started = False
         self.__fsm_dict = ExpiringDict(max_len=300, max_age_seconds=3)
 
@@ -79,7 +87,13 @@ def get_fsm(fsm_name):
         self.__started = True
 
         # app.run(host="localhost", port=5000)
-        serve(app, host="localhost", port=5000)
+        
+        _host = str(self.get_parameter('host').value)
+        _port = int(self.get_parameter('port').value)
+        print(f"Started Yasmin viewer on {_host}:{str(_port)}")
+        serve(app, 
+              host = _host, 
+              port = _port)
 
     def start_subscriber(self) -> None:
         self.create_subscription(StateMachine,