diff --git a/planetstack/openstack_observer/steps/sync_network_slivers.py b/planetstack/openstack_observer/steps/sync_network_slivers.py
index 37b6d9d..c003ba8 100644
--- a/planetstack/openstack_observer/steps/sync_network_slivers.py
+++ b/planetstack/openstack_observer/steps/sync_network_slivers.py
@@ -56,7 +56,7 @@
             for port in ports:
                 ports_by_id[port["id"]] = port
 
-        for port in ports:
+        for port in ports_by_id.values():
             #logger.info("port %s" % str(port))
             if port["id"] in networkSlivers_by_port:
                 # we already have it