diff --git a/homeassistant/components/matter/lock.py b/homeassistant/components/matter/lock.py
index ae01faa3bc7..31ae5e496ce 100644
--- a/homeassistant/components/matter/lock.py
+++ b/homeassistant/components/matter/lock.py
@@ -168,10 +168,10 @@ class MatterLock(MatterEntity, LockEntity):
 
         LOGGER.debug("Lock state: %s for %s", lock_state, self.entity_id)
 
-        if lock_state is clusters.DoorLock.Enums.DlLockState.kUnlatched:
+        if lock_state == clusters.DoorLock.Enums.DlLockState.kUnlatched:
             self._attr_is_locked = False
             self._attr_is_open = True
-        if lock_state is clusters.DoorLock.Enums.DlLockState.kLocked:
+        elif lock_state == clusters.DoorLock.Enums.DlLockState.kLocked:
             self._attr_is_locked = True
             self._attr_is_open = False
         elif lock_state in (
diff --git a/tests/components/matter/test_door_lock.py b/tests/components/matter/test_lock.py
similarity index 95%
rename from tests/components/matter/test_door_lock.py
rename to tests/components/matter/test_lock.py
index 461cc1b7f3d..1180e6ee469 100644
--- a/tests/components/matter/test_door_lock.py
+++ b/tests/components/matter/test_lock.py
@@ -8,6 +8,7 @@ import pytest
 
 from homeassistant.components.lock import (
     STATE_LOCKED,
+    STATE_OPEN,
     STATE_UNLOCKED,
     LockEntityFeature,
 )
@@ -82,12 +83,12 @@ async def test_lock(
     assert state
     assert state.state == STATE_UNLOCKED
 
-    set_node_attribute(door_lock, 1, 257, 0, 0)
+    set_node_attribute(door_lock, 1, 257, 0, 1)
     await trigger_subscription_callback(hass, matter_client)
 
     state = hass.states.get("lock.mock_door_lock_lock")
     assert state
-    assert state.state == STATE_UNLOCKED
+    assert state.state == STATE_LOCKED
 
     set_node_attribute(door_lock, 1, 257, 0, None)
     await trigger_subscription_callback(hass, matter_client)
@@ -213,9 +214,16 @@ async def test_lock_with_unbolt(
     assert state
     assert state.state == STATE_OPENING
 
-    set_node_attribute(door_lock_with_unbolt, 1, 257, 3, 0)
+    set_node_attribute(door_lock_with_unbolt, 1, 257, 0, 0)
     await trigger_subscription_callback(hass, matter_client)
 
     state = hass.states.get("lock.mock_door_lock_lock")
     assert state
-    assert state.state == STATE_LOCKED
+    assert state.state == STATE_UNLOCKED
+
+    set_node_attribute(door_lock_with_unbolt, 1, 257, 0, 3)
+    await trigger_subscription_callback(hass, matter_client)
+
+    state = hass.states.get("lock.mock_door_lock_lock")
+    assert state
+    assert state.state == STATE_OPEN