diff --git a/apps/ops/models/job.py b/apps/ops/models/job.py
index 3d631c06b..c41432a96 100644
--- a/apps/ops/models/job.py
+++ b/apps/ops/models/job.py
@@ -47,7 +47,8 @@ class JMSPermedInventory(JMSInventory):
         self.assets_accounts_mapper = self.get_assets_accounts_mapper()
 
     def get_asset_sorted_accounts(self, asset):
-        return self.assets_accounts_mapper.get(asset.id, [])
+        accounts = self.assets_accounts_mapper.get(asset.id, [])
+        return list(accounts)
 
     def get_assets_accounts_mapper(self):
         mapper = defaultdict(set)