diff --git a/planetstack/openstack_observer/steps/sync_network_slivers.py b/planetstack/openstack_observer/steps/sync_network_slivers.py
index 086308e..06ee856 100644
--- a/planetstack/openstack_observer/steps/sync_network_slivers.py
+++ b/planetstack/openstack_observer/steps/sync_network_slivers.py
@@ -29,7 +29,7 @@
         networks = Network.objects.all()
         networks_by_id = {}
         for network in networks:
-            for nd in network.networkdeployments_set.all():
+            for nd in network.networkdeployments.all():
                 networks_by_id[nd.net_id] = network
 
         #logger.info("networks_by_id = ")