diff --git a/nes/nc_projections/default_nes.py b/nes/nc_projections/default_nes.py
index 243386379d9117fb6313710836051e7d9454a9ea..670bb6a74c396cc1fb045c47ae952ae559d321c1 100644
--- a/nes/nc_projections/default_nes.py
+++ b/nes/nc_projections/default_nes.py
@@ -2024,7 +2024,7 @@ class Nes(object):
 
                 # Avoid some attributes
                 for attrname in var_info.ncattrs():
-                    if attrname not in ['missing_value', '_FillValue']:
+                    if attrname not in ["missing_value", "_FillValue", "add_offset", "scale_factor"]:
                         value = getattr(var_info, attrname)
                         if str(value) in ['unitless', '-']:
                             value = ''