diff --git a/tianshou/utils/logger/wandb.py b/tianshou/utils/logger/wandb.py
index bf49c48..e984d46 100644
--- a/tianshou/utils/logger/wandb.py
+++ b/tianshou/utils/logger/wandb.py
@@ -52,7 +52,7 @@ class WandbLogger(BaseLogger):
         name: str | None = None,
         entity: str | None = None,
         run_id: str | None = None,
-        config: argparse.Namespace | None = None,
+        config: argparse.Namespace | dict | None = None,
         monitor_gym: bool = True,
     ) -> None:
         super().__init__(train_interval, test_interval, update_interval)