diff --git a/aiolyric/objects/device.py b/aiolyric/objects/device.py
index 113c73e..363a590 100644
--- a/aiolyric/objects/device.py
+++ b/aiolyric/objects/device.py
@@ -51,7 +51,7 @@ def schedule_type(self):
     @property
     def schedule_sub_type(self):
         """Return the schedule sub type."""
-        return self.attributes.get("scheduleSubType", None)
+        return self.attributes.get("scheduleSubtype", None)
 
 
 class SettingsHardwareSettings(LyricBaseObject):
diff --git a/tests/__init__.py b/tests/__init__.py
index ee93752..053b571 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -14,7 +14,7 @@
         "availableScheduleTypes": ["None", "Geofenced", "TimedEmea"],
         "schedulableFan": False,
     },
-    "scheduleType": {"scheduleType": "Timed", "scheduleSubType": "EMEA"},
+    "scheduleType": {"scheduleType": "Timed", "scheduleSubtype": "EMEA"},
     "scheduleStatus": "Resume",
     "allowedTimeIncrements": 10,
     "settings": {
@@ -80,7 +80,7 @@
                 "availableScheduleTypes": ["None", "Geofenced", "TimedEmea"],
                 "schedulableFan": False,
             },
-            "scheduleType": {"scheduleType": "Timed", "scheduleSubType": "EMEA"},
+            "scheduleType": {"scheduleType": "Timed", "scheduleSubtype": "EMEA"},
             "scheduleStatus": "Resume",
             "allowedTimeIncrements": 10,
             "settings": {
diff --git a/tests/objects/test_device.py b/tests/objects/test_device.py
index 5b81664..eeaaf80 100644
--- a/tests/objects/test_device.py
+++ b/tests/objects/test_device.py
@@ -41,7 +41,7 @@ def test_device(
     )
     assert (
         obj.schedule_type.schedule_sub_type
-        == device_fixture_response["scheduleType"]["scheduleSubType"]
+        == device_fixture_response["scheduleType"]["scheduleSubtype"]
     )
     assert obj.schedule_status == device_fixture_response["scheduleStatus"]
     assert (
diff --git a/tests/objects/test_location.py b/tests/objects/test_location.py
index 095cfcb..e025bc0 100644
--- a/tests/objects/test_location.py
+++ b/tests/objects/test_location.py
@@ -52,7 +52,7 @@ def test_location(
     )
     assert (
         obj.devices[0].schedule_type.schedule_sub_type
-        == location_fixture_response["devices"][0]["scheduleType"]["scheduleSubType"]
+        == location_fixture_response["devices"][0]["scheduleType"]["scheduleSubtype"]
     )
     assert (
         obj.devices[0].schedule_status