diff --git a/compose.yml b/compose.yml
index c28829c..c2e92c6 100644
--- a/compose.yml
+++ b/compose.yml
@@ -70,7 +70,8 @@ services:
       - STACK_NAME
       - NEXTCLOUD_ADMIN_USER=${ADMIN_USER}
       - NEXTCLOUD_ADMIN_PASSWORD_FILE=/run/secrets/admin_password
-      - NEXTCLOUD_TRUSTED_DOMAINS=${DOMAIN}
+      - EXTRA_DOMAINS_TRUSTED
+      - NEXTCLOUD_TRUSTED_DOMAINS=${DOMAIN} ${EXTRA_DOMAINS_TRUSTED}
       - TRUSTED_PROXIES=10.0.0.0/8
       - REDIS_HOST=cache
       - OVERWRITEPROTOCOL=https