diff --git a/group_vars/mash_servers b/group_vars/mash_servers
index d308056..d3f4070 100644
--- a/group_vars/mash_servers
+++ b/group_vars/mash_servers
@@ -1794,9 +1794,10 @@ mobilizon_secret_key: "{{ '%s' | format(mash_playbook_generic_secret_key) | pass
 mobilizon_secret_key_base: "{{ '%s' | format(mash_playbook_generic_secret_key) | password_hash('sha512', 'skb.mobilizon', rounds=655555) | to_uuid }}"
 
 mobilizon_database_hostname: "{{ postgis_identifier if postgis_enabled else '' }}"
+mobilizon_database_name: "mobilizon"
 mobilizon_database_port: "{{ '5432' if postgis_enabled else '' }}"
 mobilizon_database_password: "{{ '%s' | format(mash_playbook_generic_secret_key) | password_hash('sha512', 'db.mobilizon', rounds=655555) | to_uuid }}"
-mobilizon_database_username: "{{ mobilizon_identifier }}"
+mobilizon_database_username: "mobilizon"
 
 mobilizon_systemd_required_services_list: |
   {{