diff --git a/kiauh/components/webui_client/client_dialogs.py b/kiauh/components/webui_client/client_dialogs.py
index 1fce323..1932ad6 100644
--- a/kiauh/components/webui_client/client_dialogs.py
+++ b/kiauh/components/webui_client/client_dialogs.py
@@ -55,7 +55,7 @@ def print_client_already_installed_dialog(name: str):
     print_back_footer()
 
 
-def print_client_port_select_dialog(name: str, port: str, ports_in_use: List[str]):
+def print_client_port_select_dialog(name: str, port: int, ports_in_use: List[int]):
     port = f"{COLOR_CYAN}{port}{RESET_FORMAT}"
     line1 = f"Please select the port, {name} should be served on."
     line2 = f"In case you need {name} to be served on a specific"
diff --git a/kiauh/components/webui_client/client_setup.py b/kiauh/components/webui_client/client_setup.py
index 88f168a..b400752 100644
--- a/kiauh/components/webui_client/client_setup.py
+++ b/kiauh/components/webui_client/client_setup.py
@@ -104,20 +104,18 @@ def install_client(client: BaseWebClient) -> None:
         install_client_cfg = get_confirm(question, allow_go_back=False)
 
     settings = KiauhSettings()
-    port = settings.get(client.name, "port")
-    ports_in_use = read_ports_from_nginx_configs()
+    port: int = settings.get(client.name, "port")
+    ports_in_use: List[int] = read_ports_from_nginx_configs()
 
     # check if configured port is a valid number and not in use already
     valid_port = is_valid_port(port, ports_in_use)
     while not valid_port:
         next_port = get_next_free_port(ports_in_use)
         print_client_port_select_dialog(client.display_name, next_port, ports_in_use)
-        port = str(
-            get_number_input(
-                f"Configure {client.display_name} for port",
-                min_count=int(next_port),
-                default=next_port,
-            )
+        port = get_number_input(
+            f"Configure {client.display_name} for port",
+            min_count=int(next_port),
+            default=next_port,
         )
         valid_port = is_valid_port(port, ports_in_use)
 
diff --git a/kiauh/utils/filesystem_utils.py b/kiauh/utils/filesystem_utils.py
index 86306bd..367e4f7 100644
--- a/kiauh/utils/filesystem_utils.py
+++ b/kiauh/utils/filesystem_utils.py
@@ -149,7 +149,7 @@ def create_nginx_cfg(name: str, port: int, root_dir: Path) -> None:
         raise
 
 
-def read_ports_from_nginx_configs() -> List[str]:
+def read_ports_from_nginx_configs() -> List[int]:
     """
     Helper function to iterate over all NGINX configs and read all ports defined for listen
     :return: A sorted list of listen ports
@@ -168,18 +168,19 @@ def read_ports_from_nginx_configs() -> List[str]:
             if line.startswith("listen") and line.split()[-1] not in port_list:
                 port_list.append(line.split()[-1])
 
-    return sorted(port_list, key=lambda x: int(x))
+    ports_to_ints_list = [int(port) for port in port_list]
+    return sorted(ports_to_ints_list, key=lambda x: int(x))
 
 
-def is_valid_port(port: str, ports_in_use: List[str]) -> bool:
-    return port.isdigit() and port not in ports_in_use
+def is_valid_port(port: int, ports_in_use: List[int]) -> bool:
+    return port not in ports_in_use
 
 
-def get_next_free_port(ports_in_use: List[str]) -> str:
+def get_next_free_port(ports_in_use: List[int]) -> int:
     valid_ports = set(range(80, 7125))
     used_ports = set(map(int, ports_in_use))
 
-    return str(min(valid_ports - used_ports))
+    return min(valid_ports - used_ports)
 
 
 def add_config_section(