diff --git a/storage.py b/storage.py
index 1e215c4..cfbb3dc 100644
--- a/storage.py
+++ b/storage.py
@@ -116,6 +116,7 @@ def save(fname,d):
   # make sure the object is dict (recursively) this allows reading it
   # without the DataStorage module
   d = objToDict(d,recursive=True)
+  d['filename'] = fname
   extension = os.path.splitext(fname)[1]
   log.info("Saving storage file %s"%fname)
   try: