diff --git a/datastock/_class0.py b/datastock/_class0.py
index 69d3ea2..8cfc15e 100644
--- a/datastock/_class0.py
+++ b/datastock/_class0.py
@@ -168,7 +168,7 @@ def save(
         return_pfe=False,
     ):
 
-        lsep = ['.', '-', '_', ',', ';', '~', '?']
+        lsep = [';', '&', '?', '#', ',', '~', '.', '-', '_']
         if sep is None:
             for ss in lsep:
                 c0 = (