diff --git a/c_module/logic/visualisation.py b/c_module/logic/visualisation.py
index b680f6f..a102561 100644
--- a/c_module/logic/visualisation.py
+++ b/c_module/logic/visualisation.py
@@ -828,7 +828,7 @@ def open_browser(self, url):
         import webbrowser
         webbrowser.open_new(url)
 
-    def run(self, open_browser=True, port=8050):
+    def run(self, open_browser=True, port=9000):
         if open_browser:
             from threading import Timer
             Timer(1, lambda: self.open_browser(f"http://localhost:{port}")).start()