diff --git a/defaults/main.yml b/defaults/main.yml
index 4c747f3..463cac8 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -34,6 +34,7 @@ keycloak_auth_server: https://localhost
 inception_project_server_auth_mode: 'database'
 inception_project_server_preauth_header: 'remote_user'
 inception_project_server_preauth_default_roles: ''
+inception_project_server_set_preauth_logout_url: False
 inception_project_server_preauth_logout_url: ""
 inception_project_server_preauth_users_roles: []
 # - { username: 'user', roles: 'ROLE_PROJECT_CREATOR,ROLE_ADMIN' }
diff --git a/templates/settings.properties.j2 b/templates/settings.properties.j2
index b93acf7..f2e2584 100644
--- a/templates/settings.properties.j2
+++ b/templates/settings.properties.j2
@@ -4,7 +4,9 @@ warnings.unsupportedBrowser=false
 {% endfor %}
 {% if inception_project_server_auth_mode == "preauth" %}
 auth.preauth.header.principal={{ inception_project_server_preauth_header }}
+{% if inception_project_server_set_preauth_logout_url %}
 auth.preauth.logoutUrl={{ inception_project_server_preauth_logout_url }}
+{% endif %}
 auth.preauth.newuser.roles={{ inception_project_server_preauth_default_roles }}
 {% for user_role in inception_project_server_preauth_users_roles %}
 auth.user.{{ user_role.username }}.roles={{ user_role.roles }}