diff --git a/kiauh/components/webui_client/client_dialogs.py b/kiauh/components/webui_client/client_dialogs.py
index 9fb98e9..1053a58 100644
--- a/kiauh/components/webui_client/client_dialogs.py
+++ b/kiauh/components/webui_client/client_dialogs.py
@@ -71,7 +71,6 @@ def print_client_port_select_dialog(name: str, port: str, ports_in_use: List[str
         | {line2:<54}|
         | port, you can set it now. Make sure the port is not   |
         | used by any other application on your system!         |
-        \\=======================================================/
         """
     )[1:]
 
diff --git a/kiauh/components/webui_client/client_setup.py b/kiauh/components/webui_client/client_setup.py
index a783507..e2a4ae3 100644
--- a/kiauh/components/webui_client/client_setup.py
+++ b/kiauh/components/webui_client/client_setup.py
@@ -107,7 +107,8 @@ def install_client(client_name: ClientName) -> None:
         install_client_cfg = get_confirm(question, allow_go_back=False)
 
     cm = ConfigManager(cfg_file=KIAUH_CFG)
-    client_port = cm.get_value(client.get("name"), "port")
+    default_port = cm.get_value(client.get("name"), "port")
+    client_port = default_port if default_port and default_port.isdigit() else "80"
     ports_in_use = read_ports_from_nginx_configs()
 
     # check if configured port is a valid number and not in use already