diff --git a/homeassistant/components/shelly/sensor.py b/homeassistant/components/shelly/sensor.py
index 89dc10f0530262..c7d89f2d284e80 100644
--- a/homeassistant/components/shelly/sensor.py
+++ b/homeassistant/components/shelly/sensor.py
@@ -36,6 +36,7 @@
 from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.entity_registry import RegistryEntry
 from homeassistant.helpers.typing import StateType
+from homeassistant.util.enum import try_parse_enum
 
 from .const import CONF_SLEEP_PERIOD, SHAIR_MAX_WORK_HOURS
 from .coordinator import ShellyBlockCoordinator, ShellyRpcCoordinator
@@ -969,7 +970,7 @@ def _build_block_description(entry: RegistryEntry) -> BlockSensorDescription:
         name="",
         icon=entry.original_icon,
         native_unit_of_measurement=entry.unit_of_measurement,
-        device_class=entry.original_device_class,
+        device_class=try_parse_enum(SensorDeviceClass, entry.original_device_class),
     )