diff --git a/homeassistant/components/dynalite/cover.py b/homeassistant/components/dynalite/cover.py
index 96a1f41f9e3..2bac51e0b8b 100644
--- a/homeassistant/components/dynalite/cover.py
+++ b/homeassistant/components/dynalite/cover.py
@@ -12,6 +12,7 @@ from homeassistant.core import HomeAssistant, callback
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.util.enum import try_parse_enum
 
+from .bridge import DynaliteBridge
 from .dynalitebase import DynaliteBase, async_setup_entry_base
 
 
@@ -23,7 +24,7 @@ async def async_setup_entry(
     """Record the async_add_entities function to add them later when received from Dynalite."""
 
     @callback
-    def cover_from_device(device, bridge):
+    def cover_from_device(device: Any, bridge: DynaliteBridge) -> CoverEntity:
         if device.has_tilt:
             return DynaliteCoverWithTilt(device, bridge)
         return DynaliteCover(device, bridge)
@@ -36,11 +37,11 @@ async def async_setup_entry(
 class DynaliteCover(DynaliteBase, CoverEntity):
     """Representation of a Dynalite Channel as a Home Assistant Cover."""
 
-    @property
-    def device_class(self) -> CoverDeviceClass:
-        """Return the class of the device."""
+    def __init__(self, device: Any, bridge: DynaliteBridge) -> None:
+        """Initialize the cover."""
+        super().__init__(device, bridge)
         device_class = try_parse_enum(CoverDeviceClass, self._device.device_class)
-        return device_class or CoverDeviceClass.SHUTTER
+        self._attr_device_class = device_class or CoverDeviceClass.SHUTTER
 
     @property
     def current_cover_position(self) -> int: