diff --git a/lib/config.py b/lib/config.py
index 225cc160a6a89509a6289eb71a17639b450bed79..8c76d81a79448b966ef584a5f87ef6e528e6ce1c 100644
--- a/lib/config.py
+++ b/lib/config.py
@@ -499,7 +499,7 @@ class ConfigWriter:
     """
     hu_port = constants.FIRST_DRBD_PORT - 1
     globalconfig = objects.Cluster(config_version=constants.CONFIG_VERSION,
-                                   serial_no=1, master_node=node,
+                                   serial_no=1,
                                    name=clustername,
                                    rsahostkeypub=hostkeypub,
                                    highest_used_port=hu_port,