diff --git a/install_sympa.sh b/install_sympa.sh
index f488f8b..7f4791b 100755
--- a/install_sympa.sh
+++ b/install_sympa.sh
@@ -373,6 +373,10 @@ if dpkg -l apache2 2> /dev/null | grep -e "^ii" > /dev/null 2>&1 ; then
       fatal "Something went wron with your Apache Installation"
    fi
 
+   source /etc/apache2/envvars
+   _httpd_binary=/usr/sbin/apache2
+   HTTPD_USER="$($_httpd_binary -t -D DUMP_RUN_CFG | grep -i -e "^User" | awk '{print$2}' | cut -d"=" -f2 | tr -d '"')"
+
 else
 
    ## - Determin httpd binary
@@ -394,6 +398,7 @@ else
    web_group="`$_httpd_binary -t -D DUMP_RUN_CFG | grep -i -e "^Group" | awk '{print$2}' | cut -d\"=\" -f2 | tr -d '"'`"
    if [ -z "$web_user" -o -z "$web_group" ]; then
       HTTPD_USER=www-data
+      HTTPD_GROUP=www-data
    else
       HTTPD_USER=$web_user
       HTTPD_GROUP=$web_group
@@ -1325,12 +1330,14 @@ echo "Use systemd.....................: $SYSTEMD_SUPPORTED"
 if $SYSTEMD_SUPPORTED ; then
    echo "Directory Systemd unit files....: $SYMPA_SYSTEMD_DIR"
 fi
+echo ""
+echo "IPv4 Address....................: $IPv4"
+echo "IPv6 Address....................: $IPv6"
+echo ""
+echo "Apache User.....................: $HTTPD_USER"
 if ! $UPDATE_SYMPA ; then
-   echo ""
    echo "Apache VHost directory..........: $apache_vhost_dir"
    echo "Apache Log Directory............: $apache_log_dir"
-   echo "IPv4 Address....................: $IPv4"
-   echo "IPv6 Address....................: $IPv6"
    echo ""
    echo "Postfix Configuration Directory.: $POSTFIX_CONF_DIR"
 fi
@@ -1338,6 +1345,9 @@ if $UPDATE_SYMPA ; then
    echo ""
    echo -e "-- \033[34m\033[1mSome determined defines of the installed Sympa System\033[m --"
    echo ""
+   echo "   Apache VHost directory..........: $apache_vhost_dir"
+   echo "   Apache Log Directory............: $apache_log_dir"
+   echo ""
    echo "   (default) domain..................: $SYMPA_DOMAIN"
    echo "   Listmaster........................: $SYMPA_LISTMASTER"
    echo "   URL for web interface.............: $SYMPA_WEB_URL"
@@ -1475,17 +1485,22 @@ if $SYSTEMD_SUPPORTED ; then
    echo "## - Directory Systemd unit files......: $SYMPA_SYSTEMD_DIR" >> $_log_file
 fi
 echo "## -" >> $_log_file
+echo "## - IPv4 Address....................: $IPv4" >> $_log_file
+echo "## - IPv6 Address....................: $IPv6" >> $_log_file
+echo "## - " >> $_log_file
+echo "## - Apache User.....................: $HTTPD_USER" >> $_log_file
 if ! $UPDATE_SYMPA ; then
    echo "## - Apache VHost directory............: $apache_vhost_dir" >> $_log_file
    echo "## - Apache Log Directory..............: $apache_log_dir" >> $_log_file
-   echo "## - IPv4 Address......................: $IPv4" >> $_log_file
-   echo "## - IPv6 Address......................: $IPv6" >> $_log_file
    echo "## -" >> $_log_file
    echo "## - Postfix Configuration Directory...: $POSTFIX_CONF_DIR" >> $_log_file
 fi
 if $UPDATE_SYMPA ; then
    echo "## --- Some determined defines of the installed Sympa System" >> $_log_file
    echo "## -" >> $_log_file
+   echo "## -    Apache VHost directory.........: $apache_vhost_dir" >> $_log_file
+   echo "## -    Apache Log Directory...........: $apache_log_dir" >> $_log_file
+   echo "## -" >> $_log_file
    echo "## -    (default) domain...............: $SYMPA_DOMAIN" >> $_log_file
    echo "## -    Listmaster.....................: $SYMPA_LISTMASTER" >> $_log_file
    echo "## -    URL for web interface..........: $SYMPA_WEB_URL" >> $_log_file
@@ -1555,12 +1570,12 @@ if $SYSTEMD_SUPPORTED ; then
    echo "SYMPA_SYSTEMD_DIR=$SYMPA_SYSTEMD_DIR" >> $_log_file
 fi
 echo "" >> $_log_file
-if ! $UPDATE_SYMPA ; then
-   echo "apache_vhost_dir=$apache_vhost_dir" >> $_log_file
-   echo "apache_log_dir=$apache_log_dir" >> $_log_file
-   echo "IPv4=$IPv4" >> $_log_file
-   echo "IPv6=$IPv6" >> $_log_file
-fi
+echo "apache_vhost_dir=$apache_vhost_dir" >> $_log_file
+echo "apache_log_dir=$apache_log_dir" >> $_log_file
+echo "HTTPD_USER=$HTTPD_USER" >> $_log_file
+echo "" >> $_log_file
+echo "IPv4=$IPv4" >> $_log_file
+echo "IPv6=$IPv6" >> $_log_file
 echo "" >> $_log_file
 if ! $UPDATE_SYMPA ; then
    echo "POSTFIX_CONF_DIR=$POSTFIX_CONF_DIR" >> $_log_file