diff --git a/Containers/nextcloud/entrypoint.sh b/Containers/nextcloud/entrypoint.sh
index 858b1f9a..15e1756f 100644
--- a/Containers/nextcloud/entrypoint.sh
+++ b/Containers/nextcloud/entrypoint.sh
@@ -907,7 +907,7 @@ if [ "$EUROOFFICE_ENABLED" = 'yes' ]; then
             # bypassing the public domain which may not resolve inside containers.
             # DocumentServerInternalUrl: NC -> EuroOffice (direct container port)
             # StorageUrl: EuroOffice -> NC (via port 23973 which has a matching Caddy server-block)
-            APACHE_CONTAINER_HOST=$(echo "$EUROOFFICE_HOST" | sed 's/-eurooffice$/-apache/')
+            APACHE_CONTAINER_HOST="${EUROOFFICE_HOST%-eurooffice}-apache"
             php /var/www/html/occ config:app:set eurooffice DocumentServerInternalUrl --value="http://$EUROOFFICE_HOST:80/"
             php /var/www/html/occ config:app:set eurooffice StorageUrl --value="http://$APACHE_CONTAINER_HOST.nextcloud-aio:23973/"
             EUROOFFICE_HOST="$NC_DOMAIN/eurooffice"