diff --git a/templates/nextcloud.yaml.j2 b/templates/nextcloud.yaml.j2
index 1c1e586e4026b0a7ddb2035ca6cfe8897cf0fded..a9e953f5738701da97989356197cbf3b60895bf0 100644
--- a/templates/nextcloud.yaml.j2
+++ b/templates/nextcloud.yaml.j2
@@ -20,9 +20,11 @@ services:
       - NEXTCLOUD_ADMIN_USER={{ cloud_admin_user }}
       - NEXTCLOUD_ADMIN_PASSWORD={{ cloud_admin_pass }}
       - REDIS_HOST=redis
+{% if extra_cloud_vars is defined %}
 {% for var in extra_cloud_vars %}
       - {{ var }}
 {% endfor %}
+{% endif %}
     volumes:
       - nextcloud:/var/www/html:z
       - ./nextcloud-extra.ini:/usr/local/etc/php/conf.d/nextcloud-extra.ini:ro