diff --git a/README.md b/README.md
index 44d6535..b0e95d4 100644
--- a/README.md
+++ b/README.md
@@ -43,10 +43,5 @@ In this manner, with this example, you can provide 3 access points at the same t
 
 ## Prerequisites
 
-This app works with a non-stable version of YunoHost.
-
-Until this version is available (coming soon!) as an official stable release, you need to execute some commands before installing this app:
-
-    # service bind9 stop
-    # update-rc.d bind9 remove
-    # apt-get install dnsmasq
+* Debian Jessie
+* YunoHost >= 2.2.0
diff --git a/TODO b/TODO
index 6d25e1a..1c5d23a 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1 @@
 * Translate PHP interface in French
-
-* multissid
-** INIT: use insserv instead of update-rc.d and update service dependencies
diff --git a/conf/iw_multissid b/conf/iw_multissid
index 1ed65de..ca21bfb 100644
--- a/conf/iw_multissid
+++ b/conf/iw_multissid
@@ -18,5 +18,10 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 phy=$(iw "${1}" info | grep wiphy | awk '{ print $NF }')
+multissid=$(iw "phy${phy}" info | grep -A1 'valid interface combinations' | tail -n1 | sed 's/.*{.*AP.*}\s<=\s\(.*\),.*/\1/')
 
-iw "phy${phy}" info | grep -A1 'valid interface combinations' | tail -n1 | sed 's/.*{.*AP.*}\s<=\s\(.*\),.*/\1/'
+if [ -z "${multissid}" ]; then
+  echo 1
+else
+  echo $multissid
+fi
diff --git a/conf/init_ynh-hotspot b/conf/ynh-hotspot
similarity index 90%
rename from conf/init_ynh-hotspot
rename to conf/ynh-hotspot
index 9614d37..57afe0c 100644
--- a/conf/init_ynh-hotspot
+++ b/conf/ynh-hotspot
@@ -1,28 +1,19 @@
 #!/bin/bash
-### BEGIN INIT INFO
-# Provides: ynh-hotspot
-# Required-Start:    $network $remote_fs $syslog yunohost-api
-# Required-Stop:     $network $remote_fs $syslog
-# Default-Start:     2 3 4 5
-# Default-Stop:      0 1 6
-# Short-Description: Set prerequisites for wifi hotspot.
-# Description:       Set prerequisites for wifi hotspot.
-### END INIT INFO
-
-# Wifi Hotspot app for YunoHost 
+#
+# Wifi Hotspot app for YunoHost
 # Copyright (C) 2015 Julien Vaubourg <julien@vaubourg.com>
 # Contribute at https://github.com/jvaubourg/hotspot_ynh
-# 
+#
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
-# 
+#
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU Affero General Public License for more details.
-# 
+#
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
@@ -89,13 +80,13 @@ is_dhcpd4_running() {
 }
 
 is_hostapd_running() {
-  service hostapd status &> /dev/null
+  systemctl is-active hostapd &> /dev/null
 }
 
 is_running() {
   for i in $(seq 0 $((${ynh_multissid} - 1))); do
-    ( has_ip6delegatedprefix ${i} && is_ip6addr_set ${i} || ! has_ip6delegatedprefix ${i} )\
-    && is_ip4nataddr_set ${i} && is_dhcpd6_running ${i} && is_dhcpd4_running ${i}
+    ( has_ip6delegatedprefix ${i} && is_ip6addr_set ${i} && is_dhcpd6_running ${i} || ! has_ip6delegatedprefix ${i} )\
+    && is_ip4nataddr_set ${i} && is_dhcpd4_running ${i}
 
     if [ ! $? -eq 0 ]; then
       return 1
@@ -152,9 +143,7 @@ start_dhcpd6() {
     dev="hotspot${i}"
   fi
 
-  rm -f /etc/dnsmasq.dhcpd/dhcpdv6-ssid*.conf
-
-  cp /etc/dnsmasq.dhcp/dhcpdv6{.conf.tpl,-ssid${i}.conf}
+  cp /etc/dnsmasq.dhcpd/dhcpdv6{.conf.tpl,-ssid${i}.conf}
 
   sed "s|<TPL:WIFI_DEVICE>|${dev}|g" -i /etc/dnsmasq.dhcpd/dhcpdv6-ssid${i}.conf
   sed "s|<TPL:IP6_NET>|${ynh_ip6_net[${i}]}|g" -i /etc/dnsmasq.dhcpd/dhcpdv6-ssid${i}.conf
@@ -173,8 +162,6 @@ start_dhcpd4() {
     dev="hotspot${i}"
   fi
 
-  rm -f /etc/dnsmasq.dhcpd/dhcpdv4-ssid*.conf
-
   cp /etc/dnsmasq.dhcpd/dhcpdv4{.conf.tpl,-ssid${i}.conf}
 
   sed "s|<TPL:IP4_DNS0>|${ynh_ip4_dns0[${i}]}|g" -i /etc/dnsmasq.dhcpd/dhcpdv4-ssid${i}.conf
@@ -201,7 +188,7 @@ start_hostapd() {
     sed "s|<TPL:WIFI_INTERFACE>|hotspot${i}|g" -i /etc/hostapd/hostapd.conf.tmp
     sed "s|<TPL:WIFI_SSID>|${ynh_wifi_ssid[${i}]}|g" -i /etc/hostapd/hostapd.conf.tmp
     sed "s|<TPL:WIFI_PASSPHRASE>|${ynh_wifi_passphrase[${i}]}|g" -i /etc/hostapd/hostapd.conf.tmp
-  
+
     if [ "${ynh_wifi_secure[${i}]}" -eq 1 ]; then
       sed "s|<TPL:SEC_COMMENT>||g" -i /etc/hostapd/hostapd.conf.tmp
     else
@@ -218,7 +205,7 @@ start_hostapd() {
     rm /etc/hostapd/hostapd.conf.tmp
   done
 
-  service hostapd start
+  systemctl start hostapd
 }
 
 ## Unsetters
@@ -269,33 +256,41 @@ stop_dhcpd4() {
 }
 
 stop_hostapd() {
-  service hostapd stop
+  systemctl stop hostapd
 }
 
 ## Tools
 
 moulinette_get() {
   var=${1}
+  gotcha=0
 
-  value=$(yunohost app setting hotspot "${var}")
+  while [ "${gotcha}" -eq 0 ]; do
+    value=$(yunohost app setting hotspot "${var}")
 
-  if [[ "${value}" =~ "An instance is already running" ]]; then
-    echo "${value}" >&2
-    exit 1
-  fi
+    if [[ "${value}" =~ "An instance is already running" ]]; then
+      sleep $(($((RANDOM%5)) + 1))
+    else
+      gotcha=1
+    fi
+  done
 
   echo "${value}"
-} 
+}
 
 moulinette_vpnclient_get() {
   var=${1}
+  gotcha=0
 
-  value=$(yunohost app setting vpnclient "${var}")
+  while [ "${gotcha}" -eq 0 ]; do
+    value=$(yunohost app setting vpnclient "${var}")
 
-  if [[ "${value}" =~ "An instance is already running" ]]; then
-    echo "${value}" >&2
-    exit 1
-  fi
+    if [[ "${value}" =~ "An instance is already running" ]]; then
+      sleep $(($((RANDOM%5)) + 1))
+    else
+      gotcha=1
+    fi
+  done
 
   echo "${value}"
 }
@@ -317,13 +312,13 @@ if [ "$1" != restart ]; then
   # Restart php5-fpm at the first start (it needs to be restarted after the slapd start)
   if [ ! -e /tmp/.ynh-hotspot-boot ]; then
     touch /tmp/.ynh-hotspot-boot
-    service php5-fpm restart
+    systemctl restart php5-fpm
   fi
-  
+
   # Variables
-  
+
   echo -n "Retrieving Yunohost settings... "
-  
+
   ynh_service_enabled=$(moulinette_get service_enabled)
   ynh_wifi_device=$(moulinette_get wifi_device)
   ynh_wifi_channel=$(moulinette_get wifi_channel)
@@ -342,23 +337,23 @@ if [ "$1" != restart ]; then
 
   old_internet_device=$(moulinette_get internet_device)
   new_internet_device=$(ip route | awk '/default via/ { print $NF; }')
-  
+
   # Switch the NAT interface if there is a VPN
   ip link show dev tun0 &> /dev/null
   if [ "$?" -eq 0 ]; then
     new_internet_device=tun0
   fi
-  
+
   echo "OK"
-  
+
   # Check IPv6 delegated prefix from vpnclient
 #  vpnclient_ip6_net=$(moulinette_vpnclient_get ip6_net)
-#  
+#
 #  if [ ! -z "${vpnclient_ip6_addr}" ]; then
 #    if [ "${ynh_ip6_net}" == none ]; then
 #      ynh_ip6_net=$vpnclient_ip6_net
 #      ynh_ip6_addr=$(moulinette_vpnclient_get ip6_addr)
-#    
+#
 #      moulinette_set ip6_net "${ynh_ip6_net}"
 #      moulinette_set ip6_addr "${ynh_ip6_addr}"
 #    else
@@ -416,12 +411,16 @@ case "$1" in
           exit 1
         fi
 
-        i=0; false || while [ $? -ne 0 ]; do
-          sleep 1 && (( i++ ))
-          [ ${i} -gt 20 ] && stop_hostapd
-          [ ${i} -gt 20 ] && exit 1
-          ip link show dev "mon.${ynh_wifi_device}" &> /dev/null
-        done
+        if [ "${ynh_multissid}" -gt 1 ]; then
+          i=0; false || while [ $? -ne 0 ]; do
+            sleep 1 && (( i++ ))
+            [ ${i} -gt 20 ] && stop_hostapd
+            [ ${i} -gt 20 ] && exit 1
+            ip link show dev hotspot1 &> /dev/null
+          done
+        else
+          sleep 1
+        fi
       fi
 
       # For each registred ssid
@@ -432,13 +431,13 @@ case "$1" in
           echo "hotspot${i}: Set IPv4 NAT address"
           set_ip4nataddr ${i}
         fi
-  
+
         # Set the ipv6 address
         if has_ip6delegatedprefix ${i} && ! is_ip6addr_set ${i}; then
           echo "hotspot${i}: Set IPv6 address"
           set_ip6addr ${i}
         fi
-  
+
         # Run DHCPv6 server
         if has_ip6delegatedprefix ${i} && ! is_dhcpd6_running ${i}; then
           echo "hotspot${i}: Start the NDP and DHCPv6 server (dnsmasq)"
@@ -480,8 +479,8 @@ case "$1" in
       if has_ip6delegatedprefix ${i} && is_ip6addr_set ${i}; then
         echo "hotspot${i}: Unset IPv6 address"
         unset_ip6addr ${i}
-      fi 
- 
+      fi
+
       if is_dhcpd6_running ${i}; then
         echo "hotspot${i}: Stop the NDP and DHCPv6 server (dnsmasq)"
         stop_dhcpd6 ${i}
@@ -498,8 +497,9 @@ case "$1" in
       stop_hostapd
     fi
 
+    # Fix configuration
     if has_vpnclient_app; then
-      service ynh-vpnclient start
+      ynh-vpnclient start
     fi
   ;;
   restart)
@@ -541,7 +541,7 @@ case "$1" in
       if has_ip6delegatedprefix ${i}; then
         echo "[INFO] hotspot${i}: IPv6 delegated prefix found"
         echo "[INFO] hotspot${i}: IPv6 address computed from the delegated prefix: ${ynh_ip6_addr}"
-  
+
         if is_ip6addr_set ${i}; then
           echo "[OK] hotspot${i}: IPv6 address set"
         else
@@ -558,14 +558,14 @@ case "$1" in
       else
         echo "[INFO] hotspot${i}: No IPv6 delegated prefix found"
       fi
-  
+
       if is_dhcpd4_running ${i}; then
         echo "[OK] hotspot${i}: DHCPv4 server (dnsmasq) is running"
       else
         echo "[ERR] hotspot${i}: NDP and DHCPv4 (dnsmasq) is not running"
         exitcode=1
       fi
-  
+
       if is_ip4nataddr_set ${i}; then
         echo "[OK] hotspot${i}: IPv4 NAT address set"
       else
diff --git a/conf/ynh-hotspot.service b/conf/ynh-hotspot.service
new file mode 100644
index 0000000..367601f
--- /dev/null
+++ b/conf/ynh-hotspot.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=YunoHost Wifi Hotspot.
+Requires=network.target
+After=network.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/local/bin/ynh-hotspot start
+ExecStop=/usr/local/bin/ynh-hotspot stop
+RemainAfterExit=yes
+
+[Install]
+WantedBy=multi-user.target
diff --git a/scripts/install b/scripts/install
index 89d3db9..3724d6b 100644
--- a/scripts/install
+++ b/scripts/install
@@ -39,10 +39,10 @@ if [ "${ynh_version}" -lt 220 ]; then
   exit 1
 fi
 
-sudo service dnsmasq status &> /dev/null
+sudo systemctl is-active dnsmasq &> /dev/null
 
 if [ $? -ne 0 ]; then
-  echo "ERROR: You need to enable dnsmasq instead of bind9 (apt-get remove bind9 && service dnsmasq start)"
+  echo "ERROR: You need to enable dnsmasq instead of bind9 (apt-get remove bind9 && systemctl start dnsmasq)"
   exit 1
 fi
 
@@ -191,7 +191,8 @@ sudo sed 's|<TPL:NGINX_REALPATH>|/var/www/wifiadmin/|g' -i /etc/php5/fpm/pool.d/
 sudo sed "s|<TPL:NGINX_LOCATION>|${url_path}|g" -i /var/www/wifiadmin/config.php
 
 # Copy init script
-sudo install -o root -g root -m 0755 ../conf/init_ynh-hotspot /etc/init.d/ynh-hotspot
+sudo install -o root -g root -m 0755 ../conf/ynh-hotspot /usr/local/bin/
+sudo install -o root -g root -m 0644 ../conf/ynh-hotspot.service /etc/systemd/system/
 
 # Update firewall for DHCP
 sudo yunohost firewall allow --no-upnp --ipv6 UDP 547
@@ -200,15 +201,13 @@ sudo yunohost firewall allow --no-upnp UDP 67
 # Set default inits
 # The boot order of these services are important, so they are disabled by default
 # and the ynh-hotspot service handles them.
-# All services are registred by yunohost in order to prevent conflicts after the uninstall.
-sudo yunohost service add hostapd 
-sudo yunohost service stop hostapd 
-sudo yunohost service disable hostapd 
+sudo systemctl disable hostapd
+sudo systemctl stop hostapd
 
-sudo yunohost service add php5-fpm
-sudo yunohost service enable php5-fpm
+sudo systemctl enable php5-fpm
+sudo systemctl restart php5-fpm
 
-sudo service nginx reload
+sudo systemctl reload nginx
 
 # Remove IPv6 address set if there is a VPN installed
 if [ "${ip6_addr}" != none ]; then
@@ -218,9 +217,8 @@ if [ "${ip6_addr}" != none ]; then
   fi
 fi
 
-sudo yunohost service add ynh-hotspot
-sudo yunohost service enable ynh-hotspot
-sudo service ynh-hotspot start
+sudo systemctl enable ynh-hotspot
+sudo systemctl start ynh-hotspot
 
 # Update SSO for wifiadmin
 sudo yunohost app ssowatconf
diff --git a/scripts/remove b/scripts/remove
index 9836e94..fa90214 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -21,9 +21,9 @@
 domain=$(sudo yunohost app setting hotspot domain)
 
 # The End
-sudo service ynh-hotspot stop
-sudo yunohost service remove ynh-hotspot
-sudo rm -f /etc/init.d/ynh-hotspot
+sudo systemctl stop ynh-hotspot
+sudo systemctl disable ynh-hotspot
+sudo rm -f /etc/systemd/system/ynh-hotspot.service /usr/local/bin/ynh-hotspot
 sudo rm -f /tmp/.ynh-hotspot-*
 
 # Update firewall for DHCP
@@ -41,9 +41,8 @@ sudo rm -f /lib/firmware/htc-7010.fw
 sudo rm -f /lib/firmware/htc-9271.fw
 
 # Restart services
-sudo yunohost service stop php5-fpm
-sudo yunohost service start php5-fpm
-sudo service nginx reload
+sudo systemctl restart php5-fpm
+sudo systemctl reload nginx
 
 # Remove sources
 sudo rm -rf /var/www/wifiadmin/
diff --git a/sources/controller.php b/sources/controller.php
index e752c6d..8f15ab2 100644
--- a/sources/controller.php
+++ b/sources/controller.php
@@ -27,23 +27,23 @@ function moulinette_set($var, $value) {
 }
 
 function stop_service() {
-  exec('sudo service ynh-hotspot stop');
+  exec('sudo systemctl stop ynh-hotspot');
 }
 
 function start_service() {
-  exec('sudo service ynh-hotspot start', $output, $retcode);
+  exec('sudo systemctl start ynh-hotspot', $output, $retcode);
 
   return $retcode;
 }
 
 function service_status() {
-  exec('sudo service ynh-hotspot status', $output);
+  exec('sudo ynh-hotspot status', $output);
 
   return $output;
 }
 
 function service_faststatus() {
-  exec('sudo service hostapd status', $output, $retcode);
+  exec('sudo systemctl is-active hostapd', $output, $retcode);
 
   return $retcode;
 }
@@ -146,8 +146,8 @@ dispatch('/', function() {
   }
 
   $ip6_net = moulinette_get('ip6_net');
-  $ip6_net = ($ip6_net == 'none') ? '' : $ip6_net;
-  $ip4_nat_prefix = moulinette_get('ip4_nat_prefix');
+  $ip6_net = ($ip6_net == 'none') ? '' : getArray($ip6_net);
+  $ip4_nat_prefix = getArray(moulinette_get('ip4_nat_prefix'));
 
   set('service_enabled', moulinette_get('service_enabled'));
   set('ssids', $ssids);
diff --git a/sources/public/css/style.css b/sources/public/css/style.css
index d2f37aa..8cdf173 100644
--- a/sources/public/css/style.css
+++ b/sources/public/css/style.css
@@ -66,7 +66,7 @@ div#saveconfirmation {
   display: none;
   padding-right: 15px;
   width: 60%;
-  margin: 0 auto;
+  margin: 15px auto 0;
 }
 
 div#saveconfirmation div#confirm {