diff --git a/xos/core/models/sliver.py b/xos/core/models/sliver.py
index ff1e9b4..6c102d5 100644
--- a/xos/core/models/sliver.py
+++ b/xos/core/models/sliver.py
@@ -185,3 +185,11 @@
             pubkeys.add(self.slice.service.public_key)
 
         return pubkeys
+
+def controller_setter(instance, **kwargs):
+    try:
+        instance.controller = instance.node.site_deployment.controller
+    except:
+        instance.controller = None
+
+models.signals.post_init.connect(controller_setter, Sliver)