diff --git a/source/_integrations/lock.mqtt.markdown b/source/_integrations/lock.mqtt.markdown
index 625f4ba4427..54ff19b31a4 100644
--- a/source/_integrations/lock.mqtt.markdown
+++ b/source/_integrations/lock.mqtt.markdown
@@ -55,12 +55,12 @@ state_locked:
   description: The value that represents the lock to be in locked state
   required: false
   type: string
-  default: locked
+  default: LOCKED
 state_unlocked:
   description: The value that represents the lock to be in unlocked state
   required: false
   type: string
-  default: unlocked
+  default: UNLOCKED
 optimistic:
   description: Flag that defines if lock works in optimistic mode.
   required: false