diff --git a/python/tvm/meta_schedule/database/json_database.py b/python/tvm/meta_schedule/database/json_database.py
index 6897b82d98888..64f0d98504dfb 100644
--- a/python/tvm/meta_schedule/database/json_database.py
+++ b/python/tvm/meta_schedule/database/json_database.py
@@ -15,6 +15,8 @@
 # specific language governing permissions and limitations
 # under the License.
 """The default database that uses a JSON File to store tuning records"""
+from typing import Optional
+
 from tvm._ffi import register_object
 
 from .. import _ffi_api
@@ -38,17 +40,19 @@ class JSONDatabase(Database):
 
     def __init__(
         self,
-        path_workload: str,
-        path_tuning_record: str,
+        *,
+        path_workload: Optional[str] = None,
+        path_tuning_record: Optional[str] = None,
+        work_dir: Optional[str] = None,
         allow_missing: bool = True,
     ) -> None:
         """Constructor.
 
         Parameters
         ----------
-        path_workload : str
+        path_workload : Optional[str] = None
             The path to the workload table.
-        path_tuning_record : str
+        path_tuning_record : Optional[str] = None
             The path to the tuning record table.
         allow_missing : bool
             Whether to create new file when the given path is not found.