diff --git a/model/storage/chain/chain_model_metadata_store.py b/model/storage/chain/chain_model_metadata_store.py
index a78becd..ae7a3f3 100644
--- a/model/storage/chain/chain_model_metadata_store.py
+++ b/model/storage/chain/chain_model_metadata_store.py
@@ -35,6 +35,7 @@ async def store_model_metadata(self, hotkey: str, model_id: ModelId, wait_for_in
         # Wrap calls to the subtensor in a subprocess with a timeout to handle potential hangs.
         partial = functools.partial(
             bt.extrinsics.serving.publish_metadata,
+            self.subtensor,
             self.wallet,
             self.subnet_uid,
             f"Raw{len(data)}",