diff --git a/scripts/change_url b/scripts/change_url
index c91cca3..6e51285 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -99,14 +99,13 @@ fi
 #=================================================
 ynh_script_progression --message="Reconfiguring congif file.." --weight=1
 
-new_app_url_domain="https://${new_domain}${new_path%/}"
 old_app_url_domain="https://${old_domain}${old_path%/}"
 
 pushd $final_path
-	yes | php$phpversion artisan bookstack:update-url $old_app_url_domain $new_app_url_domain
+	yes | php$phpversion artisan bookstack:update-url $old_app_url_domain https://${new_domain}${new_path}
 popd
 
-sed -i "/APP_URL=/c\APP_URL=$new_app_url_domain" $final_path/.env
+sed -i "/APP_URL=/c\APP_URL=https://${new_domain}${new_path}" $final_path/.env
 
 #=================================================
 # RELOAD NGINX
diff --git a/scripts/upgrade b/scripts/upgrade
index 6db94bf..1d27d63 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -27,6 +27,7 @@ phpversion=$YNH_PHP_VERSION
 timezone="$(cat /etc/timezone)"
 redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
 mail_pwd=$(ynh_string_random --length=12)
+timezone="$(cat /etc/timezone)"
 
 fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
 fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)
@@ -125,6 +126,16 @@ ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1
 # Create a dedicated PHP-FPM config
 ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint
 
+#=================================================
+# MODIFY A CONFIG FILE
+#=================================================
+ynh_script_progression --message="Adding a configuration file..." --weight=1
+
+app_url_domain="https://$domain${path_url%/}"
+
+ynh_add_config --template=../conf/.env.example --destination=$final_path/.env
+chmod 600 $final_path/.env
+
 #=================================================
 # INSTALL LYCHEE WITH COMPOSER
 #=================================================