diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a13d7cfa..39c7a78cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v1.5.0
+
+- Make timeout an internal parameter.
+
 ## v1.4.4
 
 - Change connect() function to output the gateway firmware-version.
diff --git a/plugwise/__init__.py b/plugwise/__init__.py
index 977220987..0d7bf6609 100644
--- a/plugwise/__init__.py
+++ b/plugwise/__init__.py
@@ -5,7 +5,9 @@
 from __future__ import annotations
 
 from plugwise.constants import (
+    DEFAULT_LEGACY_TIMEOUT,
     DEFAULT_PORT,
+    DEFAULT_TIMEOUT,
     DEFAULT_USERNAME,
     DOMAIN_OBJECTS,
     LOGGER,
@@ -43,26 +45,25 @@ def __init__(
         self,
         host: str,
         password: str,
-        timeout: int,
         websession: aiohttp.ClientSession,
         port: int = DEFAULT_PORT,
         username: str = DEFAULT_USERNAME,
     ) -> None:
         """Set the constructor for this class."""
-        super().__init__(
-            host,
-            password,
-            port,
-            timeout,
-            username,
-            websession,
-         )
-
         self._host = host
-        self._passwd = password
+        self._password = password
         self._port = port
-        self._user = username
+        self._timeout = DEFAULT_LEGACY_TIMEOUT
+        self._username = username
         self._websession = websession
+        super().__init__(
+            self._host,
+            self._password,
+            self._port,
+            self._timeout,
+            self._username,
+            self._websession,
+         )
 
         self._cooling_present = False
         self._elga = False
@@ -126,7 +127,7 @@ async def connect(self) -> Version | None:
 
         self._smile_api = SmileAPI(
             self._host,
-            self._passwd,
+            self._password,
             self._request,
             self._websession,
             self._cooling_present,
@@ -147,10 +148,10 @@ async def connect(self) -> Version | None:
             self.smile_name,
             self.smile_type,
             self._port,
-            self._user,
+            self._username,
          ) if not self.smile_legacy else SmileLegacyAPI(
             self._host,
-            self._passwd,
+            self._password,
             self._request,
             self._websession,
             self._is_thermostat,
@@ -168,7 +169,7 @@ async def connect(self) -> Version | None:
             self.smile_type,
             self.smile_zigbee_mac_address,
             self._port,
-            self._user,
+            self._username,
         )
 
         # Update all endpoints on first connect
@@ -212,6 +213,9 @@ async def _smile_detect(self, result: etree, dsmrmain: etree) -> None:
             )
             raise UnsupportedDeviceError
 
+        if not self.smile_legacy:
+            self._timeout = DEFAULT_TIMEOUT
+
         if self._target_smile in ("smile_open_therm_v2", "smile_thermo_v3"):
             LOGGER.error(
                 "Your Smile identified as %s needs a firmware update as it's firmware is severely outdated",
diff --git a/plugwise/helper.py b/plugwise/helper.py
index da8cddbec..30dc04f59 100644
--- a/plugwise/helper.py
+++ b/plugwise/helper.py
@@ -100,7 +100,6 @@ async def _create_session() -> ClientSession:
 
         self._auth = BasicAuth(username, password=password)
         self._endpoint = f"http://{host}:{str(port)}"
-        self._timeout = timeout
 
     async def _request(
         self,
diff --git a/pyproject.toml b/pyproject.toml
index 742a72cf8..3e5a4140a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name            = "plugwise"
-version         = "1.4.4"
+version         = "1.5.0"
 license         = {file = "LICENSE"}
 description     = "Plugwise Smile (Adam/Anna/P1) and Stretch module for Python 3."
 readme          = "README.md"
diff --git a/tests/test_init.py b/tests/test_init.py
index 823e04a64..179db8025 100644
--- a/tests/test_init.py
+++ b/tests/test_init.py
@@ -323,7 +323,6 @@ async def connect(
                 username=pw_constants.DEFAULT_USERNAME,
                 password=test_password,
                 port=server.port,
-                timeout=pw_constants.DEFAULT_TIMEOUT,
                 websession=None,
             )
             lack_of_websession = False
@@ -337,18 +336,18 @@ async def connect(
             username=pw_constants.DEFAULT_USERNAME,
             password=test_password,
             port=server.port,
-            timeout=pw_constants.DEFAULT_TIMEOUT,
             websession=websession,
         )
 
         if not timeout:
-            assert smile._timeout == 10
+            assert smile._timeout == 30
 
         # Connect to the smile
         version = None
         try:
             version = await smile.connect()
             assert version is not None
+            assert smile._timeout == 10
             return server, smile, client
         except (
             pw_exceptions.ConnectionFailedError,
@@ -408,7 +407,6 @@ async def connect_legacy(
                 username=pw_constants.DEFAULT_USERNAME,
                 password=test_password,
                 port=server.port,
-                timeout=pw_constants.DEFAULT_LEGACY_TIMEOUT,
                 websession=None,
             )
             lack_of_websession = False
@@ -422,7 +420,6 @@ async def connect_legacy(
             username=pw_constants.DEFAULT_USERNAME,
             password=test_password,
             port=server.port,
-            timeout=pw_constants.DEFAULT_LEGACY_TIMEOUT,
             websession=websession,
         )
 
@@ -434,6 +431,7 @@ async def connect_legacy(
         try:
             version = await smile.connect()
             assert version is not None
+            assert smile._timeout == 30
             return server, smile, client
         except (
             pw_exceptions.ConnectionFailedError,