diff --git a/homeassistant/components/mill/__init__.py b/homeassistant/components/mill/__init__.py
index 116b3ef0341..2fcf2033930 100644
--- a/homeassistant/components/mill/__init__.py
+++ b/homeassistant/components/mill/__init__.py
@@ -47,9 +47,7 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     except TimeoutError as error:
         raise ConfigEntryNotReady from error
     data_coordinator = MillDataUpdateCoordinator(
-        hass,
-        mill_data_connection=mill_data_connection,
-        update_interval=update_interval,
+        hass, entry, mill_data_connection, update_interval
     )
 
     await data_coordinator.async_config_entry_first_refresh()
diff --git a/homeassistant/components/mill/coordinator.py b/homeassistant/components/mill/coordinator.py
index 9821519ca84..ae527f8cce5 100644
--- a/homeassistant/components/mill/coordinator.py
+++ b/homeassistant/components/mill/coordinator.py
@@ -8,6 +8,7 @@ import logging
 from mill import Mill
 from mill_local import Mill as MillLocal
 
+from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.update_coordinator import DataUpdateCoordinator
 
@@ -19,12 +20,14 @@ _LOGGER = logging.getLogger(__name__)
 class MillDataUpdateCoordinator(DataUpdateCoordinator):
     """Class to manage fetching Mill data."""
 
+    config_entry: ConfigEntry
+
     def __init__(
         self,
         hass: HomeAssistant,
-        update_interval: timedelta | None = None,
-        *,
+        config_entry: ConfigEntry,
         mill_data_connection: Mill | MillLocal,
+        update_interval: timedelta,
     ) -> None:
         """Initialize global Mill data updater."""
         self.mill_data_connection = mill_data_connection
@@ -32,6 +35,7 @@ class MillDataUpdateCoordinator(DataUpdateCoordinator):
         super().__init__(
             hass,
             _LOGGER,
+            config_entry=config_entry,
             name=DOMAIN,
             update_method=mill_data_connection.fetch_heater_and_sensor_data,
             update_interval=update_interval,