diff --git a/group_vars/constellation.yml b/group_vars/constellation.yml
index 728aeb3c..30709052 100644
--- a/group_vars/constellation.yml
+++ b/group_vars/constellation.yml
@@ -37,7 +37,7 @@ glob_constellation:
     secret: '{{ vault.comnpay_secret }}'
   debug: false
   owner: root
-  group: nounou
+  group: _nounou
   version: master
   settings_local_owner: www-data
-  settings_local_group: nounou
+  settings_local_group: _nounou