diff --git a/dagflow/dagflow.py b/dagflow/dagflow.py
index 1a8d346..017ec61 100644
--- a/dagflow/dagflow.py
+++ b/dagflow/dagflow.py
@@ -380,7 +380,7 @@ where backid=${backid}$
 			await sor.C('node_execution', {
 				'id': id,
 				'org_id': inst['org_id'],
-				'instance_id': inst['id],
+				'instance_id': inst['id'],
 				'node_id': node['id'],
 				'ctx': json.dumps(ctx, ensure_ascii=False),
 				'ctx_ext': json.dumps(ctx_ext, ensure_ascii=False),