diff --git a/supervisor/dbus/systemd.py b/supervisor/dbus/systemd.py
index 284458f27..2f1db1d0d 100644
--- a/supervisor/dbus/systemd.py
+++ b/supervisor/dbus/systemd.py
@@ -70,7 +70,7 @@ class SystemdUnit(DBusInterface):
     @dbus_connected
     async def get_active_state(self) -> UnitActiveState:
         """Get active state of the unit."""
-        return await self.connected_dbus.Unit.get("active_state")
+        return UnitActiveState(await self.connected_dbus.Unit.get("active_state"))
 
     @dbus_connected
     def properties_changed(self) -> DBusSignalWrapper:
diff --git a/supervisor/dbus/udisks2/data.py b/supervisor/dbus/udisks2/data.py
index e8c440603..6097b326c 100644
--- a/supervisor/dbus/udisks2/data.py
+++ b/supervisor/dbus/udisks2/data.py
@@ -9,7 +9,7 @@ from dbus_fast import Variant
 from .const import EncryptType, EraseMode
 
 
-def udisks2_bytes_to_path(path_bytes: bytearray) -> Path:
+def udisks2_bytes_to_path(path_bytes: bytes) -> Path:
     """Convert bytes to path object without null character on end."""
     if path_bytes and path_bytes[-1] == 0:
         return Path(path_bytes[:-1].decode())
@@ -73,7 +73,7 @@ FormatOptionsDataType = TypedDict(
     {
         "label": NotRequired[str],
         "take-ownership": NotRequired[bool],
-        "encrypt.passphrase": NotRequired[bytearray],
+        "encrypt.passphrase": NotRequired[bytes],
         "encrypt.type": NotRequired[str],
         "erase": NotRequired[str],
         "update-partition-type": NotRequired[bool],
diff --git a/supervisor/mounts/mount.py b/supervisor/mounts/mount.py
index 5d67f186f..3c4d86144 100644
--- a/supervisor/mounts/mount.py
+++ b/supervisor/mounts/mount.py
@@ -135,7 +135,7 @@ class Mount(CoreSysAttributes, ABC):
     @property
     def state(self) -> UnitActiveState | None:
         """Get state of mount."""
-        return self._state
+        return UnitActiveState(self._state) if self._state is not None else None
 
     @cached_property
     def local_where(self) -> Path:
diff --git a/supervisor/utils/dbus.py b/supervisor/utils/dbus.py
index 15d8f17de..e3bcbc45a 100644
--- a/supervisor/utils/dbus.py
+++ b/supervisor/utils/dbus.py
@@ -7,13 +7,7 @@ from collections.abc import Awaitable, Callable
 import logging
 from typing import Any, Protocol, cast
 
-from dbus_fast import (
-    ErrorType,
-    InvalidIntrospectionError,
-    Message,
-    MessageType,
-    Variant,
-)
+from dbus_fast import ErrorType, InvalidIntrospectionError, Message, MessageType
 from dbus_fast.aio.message_bus import MessageBus
 from dbus_fast.aio.proxy_object import ProxyInterface, ProxyObject
 from dbus_fast.errors import DBusError as DBusFastDBusError
@@ -265,7 +259,7 @@ class DBus:
         """
 
         async def sync_property_change(
-            prop_interface: str, changed: dict[str, Variant], invalidated: list[str]
+            prop_interface: str, changed: dict[str, Any], invalidated: list[str]
         ) -> None:
             """Sync property changes to cache."""
             if interface != prop_interface: