diff --git a/cryosparcm.sh b/cryosparcm.sh
index b160b6b..ea5d8cd 100755
--- a/cryosparcm.sh
+++ b/cryosparcm.sh
@@ -1,84 +1,84 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
 install_path="$HOME"/cryosparc
 
 # Usage
 usage () {
     echo "$0 -p <install_path> -P <base_port> command"
     echo "Usage:"
     echo " command         : command to pass to cryosparcm (start|stop)"
     echo " -p install path : prefix for installation [${install_path}] "
-    echo " -P base_port    : base port  [${cryosparcm_port}] "
+    echo " -P base_port    : base port  [39000] "
     echo " -v              : be verbose"
     echo " -h              : print this notice"
     echo ""
 }
 
 set +u
 if [ "x$1" = "x" ]; then
     usage
     exit 1
 fi
 set -u
 
 # Parse options
 while getopts ":P:p:h" opt; do
   case $opt in
     p)
       install_path="${OPTARG}"
       ;;
     P)
       cryosparcm_port="${OPTARG}"
       ;;
     h)
       usage
       OPTIND=1
       exit 0
       ;;
     \?)
       echo "Invalid option: -$OPTARG" >&2
       usage
       OPTIND=1
       exit 1
       ;;
     :)
       echo "Option -$OPTARG requires an argument." >&2
       usage
       OPTIND=1
       exit 1
       ;;
   esac
 done
 
 shift $((OPTIND-1))
 OPTIND=1
 
 command=$1
 shift
 
 module load gcc cuda python
 
 export PATH=/home/richart/cryosparc/cryosparc_master/bin:$PATH
 cryosparcm_path="$(which cryosparcm 2> /dev/null)"
 
 base_dir=$(dirname "$(dirname "${cryosparcm_path}")")
 master_host=$(hostname)
 
 cp $base_dir/config.sh $base_dir/config.sh.bak
 sed -i -e 's/export CRYOSPARC_MASTER_HOSTNAME.*$/export CRYOSPARC_MASTER_HOSTNAME=\"'"$master_host"'\"/g' $base_dir/config.sh
 sed -i -e 's/export CRYOSPARC_HOSTNAME_CHECK.*$/export CRYOSPARC_HOSTNAME_CHECK=\"'"$master_host"'\"/g' $base_dir/config.sh
 
 set +u
 if [ "x${cryosparcm_port}" != "x" ]; then
   sed -i -e 's/export CRYOSPARC_BASE_PORT.*$/export CRYOSPARC_BASE_PORT='$cryosparcm_port'/g' $base_dir/config.sh
 fi
 set -u
 
 source $base_dir/config.sh
 
 
 ${cryosparcm_path} $command $* | sed -e 's/'$(hostname --fqdn)'/'${master_host}'.epfl.ch/'
 if [[ $command =~ '.*start' ]]; then
   ${cryosparcm_path} status
 fi