diff --git a/custom_components/localthings/manifest.json b/custom_components/localthings/manifest.json
index 799740b..e1c770b 100644
--- a/custom_components/localthings/manifest.json
+++ b/custom_components/localthings/manifest.json
@@ -12,5 +12,5 @@
     "pyOpenSSL>=23.0",
     "smartthings-local>=0.1.0"
   ],
-  "version": "0.4.0"
+  "version": "0.4.1"
 }
diff --git a/custom_components/localthings/registry/capabilities/operational.py b/custom_components/localthings/registry/capabilities/operational.py
index 8056a9f..bc9efb2 100644
--- a/custom_components/localthings/registry/capabilities/operational.py
+++ b/custom_components/localthings/registry/capabilities/operational.py
@@ -75,7 +75,9 @@ OPERATIONAL_STATE = Capability(
     poll_tier='hot',
     entities=(
         SensorDesc(key='machine_state', field='x.com.samsung.da.state',
-                   name='Machine state', value_fn=_to_ocf),
+                   name='Machine state', device_class='enum',
+                   options=('idle', 'active', 'pause'),
+                   translation_key='machine_state', value_fn=_to_ocf),
         # cycle_active is a bool derived from machine_state; used by the
         # adapter to gate oven writes (cycle_active_field='cycle_active').
         # Harmless for non-oven appliances — just an extra bool in state.
diff --git a/custom_components/localthings/registry/capabilities/oven.py b/custom_components/localthings/registry/capabilities/oven.py
index 2780335..764d66c 100644
--- a/custom_components/localthings/registry/capabilities/oven.py
+++ b/custom_components/localthings/registry/capabilities/oven.py
@@ -223,7 +223,9 @@ OVEN_OPERATIONAL_STATE = Capability(
     poll_tier='hot',
     entities=(
         SensorDesc(key='machine_state', field='x.com.samsung.da.state',
-                   name='Machine state', icon='mdi:stove', value_fn=_to_ocf),
+                   name='Machine state', icon='mdi:stove',
+                   device_class='enum', options=('idle', 'active', 'pause'),
+                   translation_key='machine_state', value_fn=_to_ocf),
         BinarySensorDesc(key='cycle_active', field='x.com.samsung.da.state',
                          name='Cycle active', device_class='running',
                          value_fn=lambda v: _SAMSUNG_STATE_TO_OCF.get(v) == 'active'),
diff --git a/custom_components/localthings/strings.json b/custom_components/localthings/strings.json
index 5fe72c9..c6220ef 100644
--- a/custom_components/localthings/strings.json
+++ b/custom_components/localthings/strings.json
@@ -115,6 +115,13 @@
           "observe": "Push (observe)",
           "poll": "Polling"
         }
+      },
+      "machine_state": {
+        "state": {
+          "idle": "Idle",
+          "active": "Active",
+          "pause": "Paused"
+        }
       }
     }
   },
diff --git a/custom_components/localthings/translations/en.json b/custom_components/localthings/translations/en.json
index 5fe72c9..c6220ef 100644
--- a/custom_components/localthings/translations/en.json
+++ b/custom_components/localthings/translations/en.json
@@ -115,6 +115,13 @@
           "observe": "Push (observe)",
           "poll": "Polling"
         }
+      },
+      "machine_state": {
+        "state": {
+          "idle": "Idle",
+          "active": "Active",
+          "pause": "Paused"
+        }
       }
     }
   },