diff --git a/lib/config.py b/lib/config.py
index 13f9823604416439c49f819a866ff298a2b65890..93ccec8bbb00618ccdd54168dcc93f95ebff29d3 100644
--- a/lib/config.py
+++ b/lib/config.py
@@ -2021,6 +2021,7 @@ class ConfigWriter:
     return (self._config_data.instances.values() +
             self._config_data.nodes.values() +
             self._config_data.nodegroups.values() +
+            self._config_data.networks.values() +
             [self._config_data.cluster])
 
   def _OpenConfig(self, accept_foreign):