diff --git a/bundles/zfs/metadata.py b/bundles/zfs/metadata.py
index c2102f6..a2f485d 100644
--- a/bundles/zfs/metadata.py
+++ b/bundles/zfs/metadata.py
@@ -99,6 +99,7 @@ def backup(metadata):
                 options['mountpoint']
                     for options in metadata.get('zfs/datasets').values()
                     if options.get('backup', True)
+                    and not options.get('mountpoint', None) in [None, 'none']
             },
         },
     }