diff --git a/planetstack/core/models/sliver.py b/planetstack/core/models/sliver.py
index 601afbb..c4789d6 100644
--- a/planetstack/core/models/sliver.py
+++ b/planetstack/core/models/sliver.py
@@ -46,7 +46,7 @@
 
         parent_queryset = parent.get_queryset() if hasattr(parent, "get_queryset") else parent.get_query_set()
         if (backend_type):
-            return parent_queryset.filter(Q(node__deployment__backend_type=backend_type))
+            return parent_queryset.filter(Q(node__controller__backend_type=backend_type))
         else:
             return parent_queryset
 
@@ -67,7 +67,7 @@
         parent_queryset = parent.get_queryset() if hasattr(parent, "get_queryset") else parent.get_query_set()
 
         if backend_type:
-            return parent_queryset.filter(Q(node__deployment__backend_type=backend_type))
+            return parent_queryset.filter(Q(node__controller__backend_type=backend_type))
         else:
             return parent_queryset