diff --git a/src/wyzeapy/services/base_service.py b/src/wyzeapy/services/base_service.py
index 496b751..11ed248 100644
--- a/src/wyzeapy/services/base_service.py
+++ b/src/wyzeapy/services/base_service.py
@@ -592,7 +592,7 @@ async def _lock_control(self, device: Device, action: str) -> None:
 
         url_path = "/openapi/lock/v1/control"
 
-        device_uuid = device.mac.split(".")[2]
+        device_uuid = device.mac.split(".")[-1]
 
         payload = {
             "uuid": device_uuid,
@@ -611,7 +611,7 @@ async def _get_lock_info(self, device: Device) -> Dict[str, Optional[Any]]:
 
         url_path = "/openapi/lock/v1/info"
 
-        device_uuid = device.mac.split(".")[2]
+        device_uuid = device.mac.split(".")[-1]
 
         payload = {
             "uuid": device_uuid,