diff --git a/vre-singleuser-py311/Dockerfile b/vre-singleuser-py311/Dockerfile
index ed82e74..6c7c78e 100644
--- a/vre-singleuser-py311/Dockerfile
+++ b/vre-singleuser-py311/Dockerfile
@@ -92,6 +92,7 @@ RUN chown -R $NB_UID $HOME/.ipython
 #ENV JUPYTERHUB_SINGLEUSER_APP=jupyter-server
 
 WORKDIR $HOME
+
 USER $NB_UID
 
 CMD ["vre_notebook_configuration.sh", "start-notebook.sh"]