diff --git a/api/src/dooris_api/app.py b/api/src/dooris_api/app.py
index 7a19535..5b1eb65 100644
--- a/api/src/dooris_api/app.py
+++ b/api/src/dooris_api/app.py
@@ -240,7 +240,7 @@ async def list_locks(ccujack: deps.CCUJackClient) -> List[models.Lock]:
     tags=["locks"],
     responses={
         status.HTTP_401_UNAUTHORIZED: {"model": models.HttpProblemDetail},
-        status.HTTP_403_FORBIDDEN: {"models": models.HttpProblemDetail},
+        status.HTTP_403_FORBIDDEN: {"model": models.HttpProblemDetail},
         status.HTTP_404_NOT_FOUND: {"model": models.HttpProblemDetail},
     },
 )