diff --git a/pica-nextcloud/cet/docker-compose.yml b/pica-nextcloud/cet/docker-compose.yml
index ec26013c8dcd3df6f41c241d2393f8d2b6975ce0..121853273c12f837612fc5ce562c47682c8a69d9 100644
--- a/pica-nextcloud/cet/docker-compose.yml
+++ b/pica-nextcloud/cet/docker-compose.yml
@@ -1,8 +1,9 @@
 version: '3.7'
 networks:
   nextcloud_cet:
+    name: nextcloud_cet
   docker_default:
-    name: docker_default
+    external: true
 
 volumes:
   nextcloud_cet: