diff --git a/systemuser.sh b/systemuser.sh
index 51e5fb4..d147956 100644
--- a/systemuser.sh
+++ b/systemuser.sh
@@ -247,7 +247,7 @@ then
   export DASK_TLS_DIR=/srv/dask_tls
   mkdir -p $DASK_TLS_DIR
   chown -R $USER:$USER $DASK_TLS_DIR
-  sudo -u $USER sh /srv/singleuser/create_dask_certs.sh $DASK_TLS_DIR
+  sudo -u $USER sh /srv/singleuser/create_dask_certs.sh $DASK_TLS_DIR &
 fi
 
 # Configurations for extensions (used when deployed outside CERN)