diff --git a/behave_utils/http.py b/behave_utils/http.py
index bf324deb06a1eefe8194ac975a7f66616b95bb3e..50e7f25a83085deed0ae28bec5f795856fc4d742 100644
--- a/behave_utils/http.py
+++ b/behave_utils/http.py
@@ -26,6 +26,7 @@ def redirect(
 	session: requests.Session,
 	prefix: str,
 	address: ipaddress.IPv4Address,
+	port: int = 0, /,
 	certificate: str|None = None,
 ) -> None:
 	"""
@@ -40,7 +41,7 @@ def redirect(
 	"""
 	if not prefix.startswith("http://") or prefix.startswith("https://"):
 		prefix = f"http://{prefix}" if certificate is None else f"https://{prefix}"
-	session.mount(prefix, _DirectedAdapter(address, certificate))
+	session.mount(prefix, _DirectedAdapter(address, port, certificate))
 
 
 class _DirectedAdapter(requests.adapters.HTTPAdapter):
@@ -54,19 +55,20 @@ class _DirectedAdapter(requests.adapters.HTTPAdapter):
 	function.
 	"""
 
-	def __init__(self, destination: ipaddress.IPv4Address, certificate: str|None):
+	def __init__(self, address: ipaddress.IPv4Address, port: int, certificate: str|None, /):
 		super().__init__()
-		self.destination = destination
+		self.destination = address, port
 		self.certificate = certificate
 
 	def get_connection(self, url: str, proxies: Mapping[str, str]|None = None) -> connectionpool.HTTPConnectionPool:
+		address, port = self.destination
 		parts = urlparse(url)
 		if parts.hostname is None:
 			raise LocationParseError(url)
 		if parts.scheme == "https":
-			return _HTTPSConnectionPool(parts.hostname, parts.port, address=self.destination)
+			return _HTTPSConnectionPool(parts.hostname, port or parts.port, address=address)
 		if parts.scheme == "http":
-			return _HTTPConnectionPool(parts.hostname, parts.port, address=self.destination)
+			return _HTTPConnectionPool(parts.hostname, port or parts.port, address=address)
 		raise URLSchemeUnknown(parts.scheme)
 
 	def cert_verify(