diff --git a/lib/bootstrap.py b/lib/bootstrap.py
index 98f449b182705123a1fac1cf33c3a8cff242a8b1..8a6da194503a016189bb36fbbb62a570c22e5b2b 100644
--- a/lib/bootstrap.py
+++ b/lib/bootstrap.py
@@ -527,6 +527,7 @@ def InitConfig(version, cluster_config, master_node_config,
                                    nodegroups=nodegroups,
                                    nodes=nodes,
                                    instances={},
+                                   networks={},
                                    serial_no=1,
                                    ctime=now, mtime=now)
   utils.WriteFile(cfg_file,