diff --git a/api/services/workflow/workflow_converter.py b/api/services/workflow/workflow_converter.py
index 26af31edb..9ca09c7f0 100644
--- a/api/services/workflow/workflow_converter.py
+++ b/api/services/workflow/workflow_converter.py
@@ -201,6 +201,7 @@ class WorkflowConverter:
             features=json.dumps(features),
             created_by=account_id,
             environment_variables=[],
+            conversation_variables=[],
         )
 
         db.session.add(workflow)