diff --git a/roles/portainer_vikunja/defaults/main.yml b/roles/portainer_vikunja/defaults/main.yml
index 0db8aef..4b2111d 100644
--- a/roles/portainer_vikunja/defaults/main.yml
+++ b/roles/portainer_vikunja/defaults/main.yml
@@ -4,6 +4,7 @@ vikunja_api_image: vikunja/api
 vikunja_api_tag: 0.21.0
 vikunja_api_container_name: vikunja_api
 vikunja_api_expose_port: 3456
+vikunja_enable_registration: false
 
 vikunja_frontend_container_name: vikunja_frontend
 vikunja_frontend_image: vikunja/frontend
diff --git a/roles/portainer_vikunja/tasks/main.yml b/roles/portainer_vikunja/tasks/main.yml
index 9119818..1e5b20a 100644
--- a/roles/portainer_vikunja/tasks/main.yml
+++ b/roles/portainer_vikunja/tasks/main.yml
@@ -26,6 +26,7 @@
             VIKUNJA_SERVICE_JWTSECRET: "{{ vikunja_jwt_token }}"
             VIKUNJA_SERVICE_FRONTENDURL: https://tasks.cianhatton.ie/
             VIKUNJA_DATABASE_TYPE: sqlite
+            VIKUNJA_SERVICE_ENABLEREGISTRATION: "{{ vikunja_enable_registration }}"
             PUID: 1000
             PGID: 1000
           ports: