diff --git a/launch.sh b/launch.sh
index 417f9bbdc7caf45abc3a8b5630380ac006660e34..71b6b812cdb32476725e2a2ad1105427e2efdcac 100755
--- a/launch.sh
+++ b/launch.sh
@@ -1,4 +1,4 @@
 #! /bin/sh -xe
 ./terraform apply -auto-approve "$@"
 ./terraform output -json > config.json
-./orchestrate.py -c config.json
+./orchestrate.py
diff --git a/orchestrate.py b/orchestrate.py
index c1e41efe674cd75b3f67b3b03a4eb666bfdab9c8..7a75d745b1d1aee7dc1510059af20ec6e9a28d05 100755
--- a/orchestrate.py
+++ b/orchestrate.py
@@ -12,7 +12,8 @@ DEFAULT_ACTIONS = ['files', 'ping', 'init', 'wait', 'deployment']
 
 parser = argparse.ArgumentParser(description='terraform cluster orchestrator')
 parser.add_argument('-c', '--config',
-                    help='Terraform output for using by orchestrator (default: -)', default='-')
+                    help='Terraform output for using by orchestrator (default: config.json)',
+                    default='config.json')
 parser.add_argument('actions', metavar='ACTIONS', nargs='*',
                     help='actions (default: %s)' % ' '.join(DEFAULT_ACTIONS),
                     default=DEFAULT_ACTIONS)