use id instead of name as a unique identifier
diff --git a/planetstack/core/plus/views.py b/planetstack/core/plus/views.py
index 3410c93..e37faef 100644
--- a/planetstack/core/plus/views.py
+++ b/planetstack/core/plus/views.py
@@ -275,7 +275,7 @@
         for node in site.nodeList:
             node.sliverCount = 0
             for sliver in node.slivers.all():
-                 if sliver.slice.name == slice.name:
+                 if sliver.slice.id == slice.id:
                      node.sliverCount = node.sliverCount +1
 
     # Allocate slivers to nodes