diff --git a/scripts/backup b/scripts/backup
index 199209a..f77e44c 100755
--- a/scripts/backup
+++ b/scripts/backup
@@ -56,9 +56,9 @@ ynh_backup --src_path="/etc/nginx/conf.d/$domain.d/$app.conf"
 ynh_backup --src_path="/etc/systemd/system/$app.service"
 
 #=================================================
-# BACKUP THE POSTGRESQL DATABASE
+# BACKUP THE DATABASE
 #=================================================
-ynh_print_info --message="Backing up the PostgreSQL database..."
+ynh_print_info --message="Backing up the database..."
 
 ynh_psql_dump_db --database="$db_name" > db.sql
 
diff --git a/scripts/install b/scripts/install
index 16aea8e..9a6bbe6 100755
--- a/scripts/install
+++ b/scripts/install
@@ -27,7 +27,6 @@ ynh_abort_if_errors
 domain=$YNH_APP_ARG_DOMAIN
 path_url="/"
 is_public=$YNH_APP_ARG_IS_PUBLIC
-salt=$(ynh_string_random --length=16)
 
 app=$YNH_APP_INSTANCE_NAME
 
@@ -122,8 +121,8 @@ ynh_script_progression --message="Adding a configuration file..." --weight=1
 
 ynh_add_config --template="../conf/.env" --destination="$final_path/.env"
 
-#chmod 650 "$final_path/.env"
-#chown $app:$app "$final_path/.env"
+chmod 650 "$final_path/.env"
+chown $app:$app "$final_path/.env"
 
 #=================================================
 # CONFIGURE THE APP
diff --git a/scripts/upgrade b/scripts/upgrade
index 1464a37..c1eefc2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -20,7 +20,6 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 port=$(ynh_app_setting_get --app=$app --key=port)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
-db_name=$(ynh_app_setting_get --app=$app --key=db_name)
 
 #=================================================
 # CHECK VERSION