diff --git a/chain_service/database/models/progress_chain.py b/chain_service/database/models/progress_chain.py
index 54a8c43..1b0ab1d 100644
--- a/chain_service/database/models/progress_chain.py
+++ b/chain_service/database/models/progress_chain.py
@@ -48,5 +48,5 @@ class ProgressChain(BaseMongoModel):
             task_id=task_id,
             recipients=recipients,
             name=chain.name,
-            actions=TypeAdapter(List[Action]).dump_python(chain.actions),
+            actions=map(Chain.model_dump, chain.actions),
         )