diff --git a/manifest.json b/manifest.json
index 5fdec8e..a8886c4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,7 +3,7 @@
     "id": "mumbleserver",
     "description": {
         "en": "Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.",
-        "fr": "Mumbleest un logiciel libre de voix sur IP (VoIP), son principal usage étant la communication pendant les parties de jeux en réseau."
+        "fr": "Mumble est un logiciel libre de voix sur IP (VoIP), son principal usage étant la communication pendant les parties de jeux en réseau."
     },
     "developer": {
         "name": "Thorvald Natvig",
@@ -53,13 +53,13 @@
                     "fr": "Entrez un port pour votre serveur. Laissez par défaut si vous ne voulez pas en changer"
                 },
                 "example": "64738",
-                "default": "64738'"
+                "default": "64738"
             },
             {
                 "name": "registername",
                 "ask": {
                     "en": "Choose a name for the root channel",
-                    "fr": "Entrez un nom pour le channel racines"
+                    "fr": "Entrez un nom pour le channel racine"
                 },
                 "example": "Root",
                 "default": "Root'"
diff --git a/scripts/install b/scripts/install
index 1c31cf3..a6968ae 100644
--- a/scripts/install
+++ b/scripts/install
@@ -12,9 +12,24 @@ port=$5
 registerName=$6
 
 mumble_conf=/etc/mumble-server.ini
+# Check user
+sudo yunohost user list --json | grep -q "\"username\": \"$user\""
+if [[ ! $? -eq 0 ]]; then
+echo "Wrong user"
+	exit 1
+fi
+# Check port availability
+sudo yunohost app checkport $port
+if [[ ! $? -eq 0 ]]; then
+	exit 1
+fi
+
+#open port in firewall
+sudo yunohost firewall allow Both $port > /dev/null 2>&1
 
 # Save app settings
 sudo yunohost app setting $app admin -v "$admin"
+sudo yunohost app setting $app port -v "$port"
 
 # install via apt-get
 sudo apt-get update
diff --git a/scripts/remove b/scripts/remove
index ea74462..173508a 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -1,20 +1,6 @@
 #!/bin/bash
 
-db_user=emailPoubelle
-db_name=$db_user
-root_pwd=$(sudo cat /etc/yunohost/mysql)
-domain=$(sudo yunohost app setting emailpoubelle domain)
-
-#removing emailpoubelle database
-sudo mysql -u root -p$root_pwd -e "DROP DATABASE $db_name ; DROP USER $db_user@localhost ;"
-#removing emailpoubelle directory
-sudo rm -rf /var/www/emailpoubelle
-#removing nginx conf
-sudo rm -f /etc/nginx/conf.d/$domain.d/emailpoubelle.conf
-#removing aliases
-sudo sed -i "s@devnull:/dev/null@@g" /etc/aliases
-sudo newaliases
-sudo sed -i "s@virtual_alias_maps = hash:/var/www/emailpoubelle/var/virtual@@g" /etc/postfix/main.cf
-sudo service postfix reload
-sudo nginx reload
-sudo yunohost app ssowatconf
\ No newline at end of file
+app=mumbleserver
+$port=$(sudo yunohost app setting $app port)
+sudo apt-get autoremove -y mumble-server
+sudo yunohost firewall disallow Both $port > /dev/null 2>&1
\ No newline at end of file