diff --git a/chia/data_layer/data_store.py b/chia/data_layer/data_store.py
index 07add812ed14..852d93161ea2 100644
--- a/chia/data_layer/data_store.py
+++ b/chia/data_layer/data_store.py
@@ -1200,7 +1200,7 @@ async def insert_batch(
                 last_action[hash] = change["action"]
 
             batch_keys_values: list[tuple[KVId, KVId]] = []
-            batch_hashes: list[bytes] = []
+            batch_hashes: list[bytes32] = []
 
             for change in changelist:
                 if change["action"] == "insert":