diff --git a/csst_common/data_manager.py b/csst_common/data_manager.py
index 87197264c3590eabf2c4ca0310cdff6cfe74a283..fa54dcd8592780a7bea7bf2ed0ab9836e291f2c1 100644
--- a/csst_common/data_manager.py
+++ b/csst_common/data_manager.py
@@ -825,7 +825,7 @@ class CsstMsDataManager:
 
         # make symbolic links
         print("Making symbolic links ...")
-        for rec in recs:
+        for rec in recs["data"]:
             os.symlink(
                 src=os.path.join(dfs_root, rec.file_path),
                 dst=os.path.join(dir_l0, os.path.basename(rec.file_path)),