diff --git a/custom_components/multimatic/config_flow.py b/custom_components/multimatic/config_flow.py
index 65057d9..4d5b84d 100644
--- a/custom_components/multimatic/config_flow.py
+++ b/custom_components/multimatic/config_flow.py
@@ -8,7 +8,7 @@
 from homeassistant import config_entries, core, exceptions
 from homeassistant.const import CONF_PASSWORD, CONF_SCAN_INTERVAL, CONF_USERNAME
 from homeassistant.core import callback
-from homeassistant.helpers.aiohttp_client import async_get_clientsession
+from homeassistant.helpers.aiohttp_client import async_create_clientsession
 import homeassistant.helpers.config_validation as cv
 
 from .const import CONF_SERIAL_NUMBER, DEFAULT_SCAN_INTERVAL, DOMAIN
@@ -39,7 +39,7 @@ async def validate_authentication(hass, username, password):
     """Ensure provided credentials are working."""
     try:
         if not await SystemManager(
-            username, password, async_get_clientsession(hass)
+            username, password, async_create_clientsession(hass)
         ).login(True):
             raise InvalidAuth
     except ApiError as err:
diff --git a/custom_components/multimatic/coordinator.py b/custom_components/multimatic/coordinator.py
index e4c146d..2a54502 100644
--- a/custom_components/multimatic/coordinator.py
+++ b/custom_components/multimatic/coordinator.py
@@ -26,7 +26,7 @@
 
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import CONF_PASSWORD, CONF_USERNAME
-from homeassistant.helpers.aiohttp_client import async_get_clientsession
+from homeassistant.helpers.aiohttp_client import async_create_clientsession
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
 from .const import (
@@ -61,7 +61,7 @@ def __init__(self, hass, entry: ConfigEntry):
         self._manager = pymultimatic.systemmanager.SystemManager(
             user=username,
             password=password,
-            session=async_get_clientsession(hass),
+            session=async_create_clientsession(hass),
             serial=self.serial,
         )
 
@@ -528,8 +528,9 @@ async def _fetch_data(self):
         try:
             self.logger.debug("calling %s", self._method)
             return await getattr(self.api, self._method)()
-        except ApiError:
-            await self._safe_logout()
+        except ApiError as err:
+            if err.status == 401:
+                await self._safe_logout()
             raise
 
     async def _fetch_data_if_needed(self):
diff --git a/custom_components/multimatic/manifest.json b/custom_components/multimatic/manifest.json
index dab8116..fca2516 100644
--- a/custom_components/multimatic/manifest.json
+++ b/custom_components/multimatic/manifest.json
@@ -12,6 +12,6 @@
   "homekit": {},
   "dependencies": [],
   "codeowners": ["@thomasgermain"],
-    "version": "1.12.10",
+    "version": "1.12.11",
   "iot_class": "cloud_polling"
 }
diff --git a/custom_components/multimatic/strings.json b/custom_components/multimatic/strings.json
index 8ded63e..85261ef 100644
--- a/custom_components/multimatic/strings.json
+++ b/custom_components/multimatic/strings.json
@@ -20,7 +20,7 @@
       "already_configured": "Only one configuration is allowed"
     }
   },
-   "options": {
+  "options": {
     "step": {
       "init": {
         "data": {
@@ -29,4 +29,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/custom_components/multimatic/translations/de.json b/custom_components/multimatic/translations/de.json
index dec5c48..e15ad95 100644
--- a/custom_components/multimatic/translations/de.json
+++ b/custom_components/multimatic/translations/de.json
@@ -8,7 +8,7 @@
           "application": "Applikation",
           "serial_number": "Seriennummer"
         },
-        "title": "Verbindungsinformationen (wie in der mutliMATIC / sensoAPP"
+        "title": "Verbindungsinformationen (wie in der mutliMATIC / sensoAPP)"
       }
     },
     "error": {