diff --git a/README.md b/README.md
index 4751612..fd4175e 100644
--- a/README.md
+++ b/README.md
@@ -13,8 +13,8 @@ Set of games from Framagames
 
 #### Supported architectures
 
-* x86-64 - [![Build Status](https://ci-apps.yunohost.org/ci/logs/framagames%20%28Apps%29.svg)](https://ci-apps.yunohost.org/ci/apps/framagames/)
-* ARMv8-A - [![Build Status](https://ci-apps-arm.yunohost.org/ci/logs/framagames%20%28Apps%29.svg)](https://ci-apps-arm.yunohost.org/ci/apps/framagames/)
+* x86-64 - [![Build Status](https://ci-apps.yunohost.org/ci/logs/framagames.svg)](https://ci-apps.yunohost.org/ci/apps/framagames/)
+* ARMv8-A - [![Build Status](https://ci-apps-arm.yunohost.org/ci/logs/framagames.svg)](https://ci-apps-arm.yunohost.org/ci/apps/framagames/)
 
 ## Links
 
diff --git a/check_process b/check_process
index bc6f52d..6a17eab 100644
--- a/check_process
+++ b/check_process
@@ -20,7 +20,6 @@
 		upgrade=1	from_commit=bd2c87a6fd4212771f9c06e7965598a5ea744ffc
 		backup_restore=1
 		multi_instance=1
-		port_already_use=0
 		change_url=1
 ;;; Options
 Email=
diff --git a/manifest.json b/manifest.json
index 1500004..7e3f6eb 100644
--- a/manifest.json
+++ b/manifest.json
@@ -14,7 +14,7 @@
         "email": "polytan02@mcgva.org"
     },
     "requirements": {
-        "yunohost": ">= 4.0.0"
+        "yunohost": ">= 4.1.7"
     },
     "multi_instance": true,
     "services": [
@@ -26,29 +26,17 @@
             {
                 "name": "domain",
                 "type": "domain",
-                "ask": {
-                    "en": "Choose a domain for your Framagames",
-                    "fr": "Choisissez un domaine pour vos Framagames"
-                },
                 "example": "example.com"
             },
             {
                 "name": "path",
                 "type": "path",
-                "ask": {
-                    "en": "Choose a path to access your Framagames",
-                    "fr": "Choisissez un chemin pour acceder à vos Framagames"
-                },
                 "example": "/framagames",
                 "default": "/framagames"
             },
             {
                 "name": "is_public",
                 "type": "boolean",
-                "ask": {
-                    "en": "Is it a public application?",
-                    "fr": "Est-ce une application publique ?"
-                },
                 "default": true
             }
         ]
diff --git a/scripts/install b/scripts/install
index c6e0b78..bdadbdd 100644
--- a/scripts/install
+++ b/scripts/install
@@ -43,7 +43,14 @@ ynh_script_progression --message="Storing installation settings..."
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
-ynh_app_setting_set --app=$app --key=is_public --value=$is_public
+
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Configuring system user..."
+
+# Create a system user
+ynh_system_user_create --username=$app
 
 #=================================================
 # STANDARD MODIFICATIONS
@@ -64,14 +71,6 @@ ynh_script_progression --message="Configuring NGINX web server..."
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Configuring system user..."
-
-# Create a system user
-ynh_system_user_create --username=$app
-
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
@@ -88,7 +87,7 @@ ynh_add_fpm_config
 ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions to app files
-chown -R $app: $final_path
+chown -R $app:www-data $final_path
 chmod -R 775 $final_path
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 56d513f..ada8d63 100755
--- a/scripts/restore
+++ b/scripts/restore
@@ -59,7 +59,7 @@ ynh_restore_file --origin_path="$final_path"
 ynh_script_progression --message="Restoring user rights..."
 
 # Restore permissions on app files
-chown -R $app: $final_path
+chown -R $app:www-data $final_path
 chmod -R 775 $final_path
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index ba80c7d..d9efbb8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -18,7 +18,6 @@ app=$YNH_APP_INSTANCE_NAME
 
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
-is_public=$(ynh_app_setting_get --app=$app --key=is_public)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 
 #=================================================
@@ -33,15 +32,6 @@ upgrade_type=$(ynh_check_app_version_changed)
 #=================================================
 ynh_script_progression --message="Ensuring downward compatibility..."
 
-# Fix is_public as a boolean value
-if [ "$is_public" = "Yes" ]; then
-	ynh_app_setting_set --app=$app --key=is_public --value=1
-	is_public=1
-elif [ "$is_public" = "No" ]; then
-	ynh_app_setting_set --app=$app --key=is_public --value=0
-	is_public=0
-fi
-
 # If db_name doesn't exist, create it
 if [ -z "$db_name" ]; then
 	db_name=$(ynh_sanitize_dbid --db_name=$app)
@@ -54,6 +44,13 @@ if [ -z "$final_path" ]; then
 	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 fi
 
+# Cleaning legacy permissions
+if ynh_legacy_permissions_exists; then
+	ynh_legacy_permissions_delete_all
+
+	ynh_app_setting_delete --app=$app --key=is_public
+fi
+
 #=================================================
 # BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
 #=================================================
@@ -68,6 +65,14 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
+#=================================================
+# CREATE DEDICATED USER
+#=================================================
+ynh_script_progression --message="Making sure dedicated system user exists..."
+
+# Create a dedicated user (if not existing)
+ynh_system_user_create --username=$app
+
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================
@@ -91,14 +96,6 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..."
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
-#=================================================
-# CREATE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Making sure dedicated system user exists..."
-
-# Create a dedicated user (if not existing)
-ynh_system_user_create --username=$app
-
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================
@@ -115,7 +112,7 @@ ynh_add_fpm_config
 ynh_script_progression --message="Securing files and directories..."
 
 # Set permissions on app files
-chown -R $app: $final_path
+chown -R $app:www-data $final_path
 chmod -R 775 $final_path
 
 #=================================================