diff --git a/jupyterhub.yml b/jupyterhub.yml
index f624554..8c75186 100644
--- a/jupyterhub.yml
+++ b/jupyterhub.yml
@@ -1,27 +1,28 @@
 version: "3.6"
 services:
   jupyterlab:
     networks:
       - proxy_jupyter
     image: jupyterhub:latest
       
     hostname: 'lsms-renku.epfl.ch'
     volumes:
       - jupyter_homes:/home
       - jupyter_config:/srv/jupyterhub
       - jupyter_etc:/etc/users
       - /etc/pki/tls/certs/:/etc/jupyterhub/ssl
-      
+
+    command: bash -c "cp -v /etc/users/passwd /etc/users && cp -v /etc/users/group /etc/group && jupyterhub &>> /var/log/jupyterhub.log"
     environment:
       VIRTUAL_HOST: lsms-renku.epfl.ch
       VIRTUAL_PORT: 8000
       
 volumes:
     jupyter_homes:
     jupyter_config:
     jupyter_etc:
 
 networks:
   proxy_jupyter:
     external: true