diff --git a/planetstack/core/models/sliver.py b/planetstack/core/models/sliver.py
index 059b5c0..de0ff84 100644
--- a/planetstack/core/models/sliver.py
+++ b/planetstack/core/models/sliver.py
@@ -88,8 +88,8 @@
     #key = models.ForeignKey(Key, related_name='slivers')
     creator = models.ForeignKey(User, related_name='slivers', blank=True, null=True)
     slice = models.ForeignKey(Slice, related_name='slivers')
+    deployment = models.ForeignKey(Deployment, verbose_name='deployment', related_name='sliver_deployment')
     node = models.ForeignKey(Node, related_name='slivers')
-    controllerNetwork = models.ForeignKey(Controller, verbose_name='controller', related_name='sliver_controllerNetwork')
     numberCores = models.IntegerField(verbose_name="Number of Cores", help_text="Number of cores for sliver", default=0)
     flavor = models.ForeignKey(Flavor, help_text="Flavor of this instance", default=get_default_flavor)
     tags = generic.GenericRelation(Tag)
@@ -109,7 +109,6 @@
         self.name = self.slice.slicename
         if not self.creator and hasattr(self, 'caller'):
             self.creator = self.caller
-        self.controllerNetwork = self.node.site_deployment.controller
 
 # XXX smbaker - disabled for now, was causing fault in tenant view create slice
 #        if not self.controllerNetwork.test_acl(slice=self.slice):