Index: trunk/web/cache_acls.py
===================================================================
--- trunk/web/cache_acls.py	(revision 254)
+++ trunk/web/cache_acls.py	(revision 256)
@@ -41,6 +41,6 @@
         print '%s: %s' % (m.name, ' '.join(people))
         transaction = ctx.current.create_transaction()
-        for u in m.users:
-            ctx.current.delete(u)
+        for a in m.acl:
+            ctx.current.delete(a)
         for p in people:
             ma = MachineAccess(machine_id=m.machine_id, user=p)
Index: trunk/web/controls.py
===================================================================
--- trunk/web/controls.py	(revision 254)
+++ trunk/web/controls.py	(revision 256)
@@ -202,5 +202,5 @@
         for disk in machine.disks:
             ctx.current.delete(disk)
-        for access in machine.users:
+        for access in machine.acl:
             ctx.current.delete(access)
         ctx.current.delete(machine)