diff --git a/llama_stack/core/server/server.py b/llama_stack/core/server/server.py
index d6dfc3435..b247a610d 100644
--- a/llama_stack/core/server/server.py
+++ b/llama_stack/core/server/server.py
@@ -132,9 +132,9 @@ def translate_exception(exc: Exception) -> HTTPException | RequestValidationErro
             },
         )
     elif isinstance(exc, ConflictError):
-        return HTTPException(status_code=409, detail=str(exc))
+        return HTTPException(status_code=httpx.codes.CONFLICT, detail=str(exc))
     elif isinstance(exc, ResourceNotFoundError):
-        return HTTPException(status_code=404, detail=str(exc))
+        return HTTPException(status_code=httpx.codes.NOT_FOUND, detail=str(exc))
     elif isinstance(exc, ValueError):
         return HTTPException(status_code=httpx.codes.BAD_REQUEST, detail=f"Invalid value: {str(exc)}")
     elif isinstance(exc, BadRequestError):