merge Amisha's changes
diff --git a/planetstack/core/serializers.py b/planetstack/core/serializers.py
index b83157b..5bbe7aa 100644
--- a/planetstack/core/serializers.py
+++ b/planetstack/core/serializers.py
@@ -124,6 +124,7 @@
                   'network_id',
                   'router_id',
                   'subnet_id',
+                  'imagePreference',
                   'site',
                   'slivers',
                   'updated',