diff --git a/templates/docker-compose.yml.j2 b/templates/docker-compose.yml.j2
index 1651913..763d704 100644
--- a/templates/docker-compose.yml.j2
+++ b/templates/docker-compose.yml.j2
@@ -12,9 +12,9 @@ services:
       VIRTUAL_HOST: "{{ inventory_hostname | default('ansible_undefined_fact') }}"
       VIRTUAL_ROOT: "/var/www/html/"
       LETSENCRYPT_HOST: "{{ inventory_hostname | default('ansible_undefined_fact') }}"
-      POSTGRES_DATABASE: "nextclouddb"
+      POSTGRES_DB: "nextclouddb"
       POSTGRES_USER: "nextcloud"
-      POSTGRES_HOST: "nextcloud-db.lan:5432"
+      POSTGRES_HOST: "database"
       NEXTCLOUD_TRUSTED_DOMAINS: "{{ inventory_hostname | default('ansible_undefined_fact') }}"
     networks:
       default: