diff --git a/conf/config.php b/conf/config.php
index d888873..d59c7c7 100644
--- a/conf/config.php
+++ b/conf/config.php
@@ -1,16 +1,4 @@
 <?php
-$GLOBALS['login'] = array (
-  YNH_LOGINS
-);
-$GLOBALS['password'] = array (
-  YNH_PASSWORDS
-);
-$GLOBALS['level'] = array (
-  YNH_LEVELS
-);
-$GLOBALS['email'] = array (
-  YNH_EMAILS
-);
 $GLOBALS['salt'] = 'YNH_SALT';
 $GLOBALS['timezone'] = 'YNH_TIMEZONE';
 date_default_timezone_set('YNH_TIMEZONE');
@@ -18,5 +6,8 @@ $GLOBALS['title'] = 'YNH_TITLE';
 $GLOBALS['redirector'] = '';
 $GLOBALS['disablesessionprotection'] = false;
 $GLOBALS['disablejquery'] = false;
-$GLOBALS['privateLinkByDefault'] = YNH_PRIVATE_LINK_BY_DEFAULT;
+$GLOBALS['privateLinkByDefault'] = 'YNH_PRIVATE_LINK_BY_DEFAULT';
+$GLOBALS['ynh_admin'] = 'YNH_ADMIN';
+
+require(realpath(dirname(__FILE__)) . '/config_user.php');
 ?>
\ No newline at end of file
diff --git a/conf/init_config.php b/conf/init_config.php
new file mode 100644
index 0000000..ce0b784
--- /dev/null
+++ b/conf/init_config.php
@@ -0,0 +1,17 @@
+<?php
+$GLOBALS['salt'] = 'YNH_SALT';
+$GLOBALS['timezone'] = 'YNH_TIMEZONE';
+date_default_timezone_set('YNH_TIMEZONE');
+$GLOBALS['title'] = 'YNH_TITLE';
+$GLOBALS['redirector'] = '';
+$GLOBALS['disablesessionprotection'] = false;
+$GLOBALS['disablejquery'] = false;
+$GLOBALS['privateLinkByDefault'] = YNH_PRIVATE_LINK_BY_DEFAULT;
+$GLOBALS['ynh_admin'] = 'YNH_ADMIN';
+
+$userconfigfile = realpath(dirname(__FILE__)) . '/config_user.php';
+if (is_file($userconfigfile))
+{
+  require($userconfigfile);
+}
+?>
diff --git a/conf/init_config_user.php b/conf/init_config_user.php
new file mode 100644
index 0000000..f0fc7ac
--- /dev/null
+++ b/conf/init_config_user.php
@@ -0,0 +1,52 @@
+#!/usr/bin/php
+<?php
+
+require('/home/yunohost.app/shaarli/data/config.php');
+
+$userlist=$argv;
+array_shift($userlist);
+
+foreach($userlist as $usercount => $userlogin)
+{  
+  $userlevel = '2';
+  if ($userlogin == $GLOBALS['ynh_admin'])
+  {
+    $userlevel = '4';
+  }
+  
+  $currentLogin    = array($userlogin);
+  $currentPassword = array($userlogin => '');
+  $currentLevel    = array($userlogin => $userlevel);
+  $currentEmail    = array($userlogin => '');
+
+  if (array_key_exists('login', $GLOBALS))
+  {
+    $GLOBALS['login'] = array_merge($GLOBALS['login'], $currentLogin);
+    $GLOBALS['password'] = array_merge($GLOBALS['password'], $currentPassword);
+    $GLOBALS['level'] = array_merge($GLOBALS['level'], $currentLevel);
+    $GLOBALS['email'] = array_merge($GLOBALS['email'], $currentEmail);
+  }
+  else
+  {
+    $GLOBALS['login']    = $currentLogin;
+    $GLOBALS['password'] = $currentPassword;
+    $GLOBALS['level']    = $currentLevel;
+    $GLOBALS['email']    = $currentEmail;
+  }
+}
+
+$userconf  = '<?php' . PHP_EOL;
+$userconf .= '$GLOBALS[\'login\'] = ' . var_export($GLOBALS['login'],true) . ';' . PHP_EOL;
+$userconf .= '$GLOBALS[\'password\'] = ' . var_export($GLOBALS['password'],true) . ';' . PHP_EOL;
+$userconf .= '$GLOBALS[\'level\'] = ' . var_export($GLOBALS['level'],true) . ';' . PHP_EOL;
+$userconf .= '$GLOBALS[\'email\'] = ' . var_export($GLOBALS['email'],true) . ';' . PHP_EOL;
+$userconf .= '?>';
+
+$userconf_file = '/home/yunohost.app/shaarli/data/config_user.php';
+if (!file_put_contents($userconf_file, $userconf) || strcmp(file_get_contents($userconf_file),$userconf)!=0)
+{
+  fwrite(STDERR, "Error while writing " . $userconf_file);
+  exit(1);
+}
+
+?>
diff --git a/conf/user_list.py b/conf/user_list.py
new file mode 100644
index 0000000..52994aa
--- /dev/null
+++ b/conf/user_list.py
@@ -0,0 +1,3 @@
+import sys, json
+userlist=json.loads(sys.stdin.readlines()[0])["Users"]
+print "{0}".format("\n".join(i["Username"] for i in userlist))
diff --git a/manifest.json b/manifest.json
index 1effb3a..c73944c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -51,6 +51,14 @@
       },
       "choices": ["Yes", "No"],
       "default": "Yes"
+    },
+    {
+      "name": "admin",
+      "ask": {
+        "en": "Admin user"
+      },
+      "example": "test",
+      "default": "test"
     }
     ]
   }
diff --git a/scripts/install b/scripts/install
index 23b8d60..a9c1de5 100644
--- a/scripts/install
+++ b/scripts/install
@@ -6,6 +6,7 @@ path=$2
 is_public=$3
 title=$4
 privatelinkbydefault=$5
+admin=$6
 
 
 # Check domain/path availability
@@ -27,58 +28,28 @@ do
 done
 
 salt=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d 'A-Za-z0-9' | sed -n 's/\(.\{24\}\).*/\1/p')
+if [ $privatelinkbydefault = "No" ]; then
+  privatelinkbydefault_php=false
+else
+  privatelinkbydefault_php=true
+fi
 
-user_count=0
-for user in $(sudo yunohost user list | python user_list.py)
-do
-    if [[ ! $user == yunohost.* ]];
-    then
-    
-        YNH_LOGINS=$(cat << EOF
-$YNH_LOGINS\\
-$user_count => $user,
-EOF
-)
+sudo sed -i "s@YNH_SALT@$salt@g" ../conf/init_config.php
+sudo sed -i "s@YNH_TIMEZONE@$(cat /etc/timezone)@g" ../conf/init_config.php
+sudo sed -i "s@YNH_TITLE@$title@g" ../conf/init_config.php
+sudo sed -i "s@YNH_PRIVATE_LINK_BY_DEFAULT@$privatelinkbydefault_php@g" ../conf/init_config.php
+sudo sed -i "s@YNH_ADMIN@$admin@g" ../conf/init_config.php
 
-        YNH_PASSWORDS=$(cat << EOF
-$YNH_PASSWORDS\\
-$user => '',
-EOF
-)
-
-        YNH_LEVELS=$(cat << EOF
-$YNH_LEVELS\\
-$user => 2,
-EOF
-)
-
-        YNH_EMAILS=$(cat << EOF
-$YNH_EMAILS\\
-$user => ''
-EOF
-)
-
-        let user_count++
-    fi
-done
-
-sudo sed -i "s@YNH_LOGINS@$YNH_LOGINS@g" ../conf/config.php
-sudo sed -i "s@YNH_PASSWORDS@$YNH_PASSWORDS@g" ../conf/config.php
-sudo sed -i "s@YNH_LEVELS@$YNH_LEVELS@g" ../conf/config.php
-sudo sed -i "s@YNH_EMAILS@$YNH_EMAILS@g" ../conf/config.php
-sudo sed -i "s@YNH_SALT@$salt@g" ../conf/config.php
-sudo sed -i "s@YNH_TIMEZONE@$(cat /etc/timezone)@g" ../conf/config.php
-sudo sed -i "s@YNH_TITLE@$title@g" ../conf/config.php
-sudo sed -i "s@YNH_PRIVATE_LINK_BY_DEFAULT@$privatelinkbydefault@g" ../conf/config.php
-
-sudo cp ../conf/config.php $app_home_path/data
+sudo cp ../conf/options.php $app_home_path/data/options.php
+sudo cp ../conf/init_config.php $app_home_path/data/config.php
+sudo php ../conf/init_config_user.php $(sudo yunohost user list | python ../conf/user_list.py)
 
 sudo find $final_path -type f | xargs sudo chmod 644
 sudo find $final_path -type d | xargs sudo chmod 755
 sudo chown -R root: $final_path
 
-sudo find $app_home_path -type f | xargs sudo chmod 640
-sudo find $app_home_path -type d | xargs sudo chmod 750
+sudo find $app_home_path -type f | xargs sudo chmod 600
+sudo find $app_home_path -type d | xargs sudo chmod 700
 sudo chown -R www-data: $app_home_path
 
 # Modify Nginx configuration file and copy it to Nginx conf directory
diff --git a/scripts/user_list.py b/scripts/user_list.py
deleted file mode 100644
index 8887a02..0000000
--- a/scripts/user_list.py
+++ /dev/null
@@ -1,3 +0,0 @@
-import sys, json
-for user in json.loads(sys.stdin.readlines()[0])["Users"]:
-  print user["Username"]
\ No newline at end of file