diff --git a/conf/systemd.service b/conf/systemd.service
index 31275cd..c2bb296 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -4,8 +4,8 @@ Requires=network-online.target
 After=network.target
 
 [Service]
-User=__APP__
-Group=__APP__
+User=mumble-server
+Group=mumble-server
 Type=forking
 # https://www.freedesktop.org/software/systemd/man/systemd.exec.html#RuntimeDirectory=
 RuntimeDirectory=mumble-server
diff --git a/scripts/install b/scripts/install
index 8bcb77e..dc546cb 100644
--- a/scripts/install
+++ b/scripts/install
@@ -113,7 +113,7 @@ ynh_add_systemd_config
 #=================================================
 
 chmod -R 770 "$final_path"
-chown -R :$app "$final_path"
+chown -R :mumble-server "$final_path"
 
 #=================================================
 # Add user to ssl-cert so it can read certificates
@@ -134,7 +134,7 @@ murmurd -ini "$mumble_conf" -supw "$su_passwd" "$instance_id" || true
 #=================================================
 
 systemctl stop $app
-systemctl disable $app
+systemctl disable $app --quiet
 
 #=================================================
 # INTEGRATE SERVICE IN YUNOHOST
diff --git a/scripts/remove b/scripts/remove
index 30e8f7c..ef0daad 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -15,9 +15,9 @@ source /usr/share/yunohost/helpers
 
 app=$YNH_APP_INSTANCE_NAME
 
-domain=$(ynh_app_setting_get "$app" domain)
-port=$(ynh_app_setting_get "$app" port)
-final_path=$(ynh_app_setting_get "$app" final_path)
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+port=$(ynh_app_setting_get --app=$app --key=port)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
 #=================================================
 # STANDARD REMOVE
diff --git a/scripts/restore b/scripts/restore
index 4059be9..1baf0a0 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -80,7 +80,7 @@ yunohost service add "$app" -l "/var/log/mumble-server/$app.log"
 #=================================================
 
 ynh_restore_file "/etc/systemd/system/$app.service"
-systemctl enable "$app.service"
+systemctl enable "$app.service" --quiet
 
 systemctl restart "$app"
 
diff --git a/scripts/upgrade b/scripts/upgrade
index 07489dc..aba523a 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -15,15 +15,15 @@ source /usr/share/yunohost/helpers
 ynh_script_progression --message="Loading installation settings..." --weight=1
 app=$YNH_APP_INSTANCE_NAME
 
-domain=$(ynh_app_setting_get "$app" domain)
-no_sso=$(ynh_app_setting_get "$app" no_sso)
-server_password=$(ynh_app_setting_get "$app" server_password)
-su_passwd=$(ynh_app_setting_get "$app" su_passwd)
-welcometext=$(ynh_app_setting_get "$app" welcometext)
-registerName=$(ynh_app_setting_get "$app" registerName)
-port=$(ynh_app_setting_get "$app" port)
-final_path=$(ynh_app_setting_get "$app" final_path)
-instance_id=$(ynh_app_setting_get "$app" instance_id)
+domain=$(ynh_app_setting_get --app=$app --key=domain)
+no_sso=$(ynh_app_setting_get --app=$app --key=no_sso)
+server_password=$(ynh_app_setting_get --app=$app --key=server_password)
+su_passwd=$(ynh_app_setting_get --app=$app --key=su_passwd)
+welcometext=$(ynh_app_setting_get --app=$app --key=welcometext)
+registerName=$(ynh_app_setting_get --app=$app --key=registerName)
+port=$(ynh_app_setting_get --app=$app --key=port)
+final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+instance_id=$(ynh_app_setting_get --app=$app --key=instance_id)
 
 #=================================================
 # CHECK VERSION
@@ -65,11 +65,11 @@ if [ -z "$server_password" ]; then
 		| head -1 \
 		| sed -r "s/.* (([a-z])*\.([a-z])*).*/\1/g")
 
-	ynh_app_setting_set "$app" server_password "$server_password"
-	ynh_app_setting_set "$app" welcometext     "$welcometext"
-	ynh_app_setting_set "$app" registerName    "$registerName"
-	ynh_app_setting_set "$app" su_passwd       "$su_passwd"
-	ynh_app_setting_set "$app" domain          "$domain"
+	ynh_app_setting_set --app=$app --key=server_password --value=$server_password
+	ynh_app_setting_set --app=$app --key=welcometext     --value=$welcometext
+	ynh_app_setting_set --app=$app --key=registerName    --value=$registerName
+	ynh_app_setting_set --app=$app --key=su_passwd       --value=$su_passwd
+	ynh_app_setting_set --app=$app --key=domain          --value=$domain
 
 	systemctl stop mumble-server
 	dpkg-reconfigure mumble-server --frontend=Noninteractive
@@ -186,7 +186,7 @@ murmurd -ini "$mumble_conf" -supw "$su_passwd" "$instance_id" || true
 #=================================================
 
 systemctl stop mumble-server
-systemctl disable mumble-server
+systemctl disable mumble-server --quiet
 
 #=================================================
 # ADVERTISE SERVICE IN ADMIN PANEL