diff --git a/scripts/upgrade b/scripts/upgrade
index 305251b..cd8a2e7 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -19,6 +19,24 @@ upgrade_type=$(ynh_check_app_version_changed)
 # ENSURE DOWNWARD COMPATIBILITY
 #=================================================
 
+if [ -n $(ynh_app_setting_get --app=$app --key=puma_port) ]
+then
+	ynh_app_setting_set --app=$app --key=port_puma --value=$(ynh_app_setting_get --app=$app --key=puma_port)
+	ynh_app_setting_delete --app=$app --key=puma_port
+fi
+
+if [ -n $(ynh_app_setting_get --app=$app --key=sidekiq_port) ]
+then
+	ynh_app_setting_set --app=$app --key=port_sidekiq --value=$(ynh_app_setting_get --app=$app --key=sidekiq_port)
+	ynh_app_setting_delete --app=$app --key=sidekiq_port
+fi
+
+if [ -n $(ynh_app_setting_get --app=$app --key=web_port) ]
+then
+	ynh_app_setting_set --app=$app --key=port --value=$(ynh_app_setting_get --app=$app --key=web_port)
+	ynh_app_setting_delete --app=$app --key=web_port
+fi
+
 config_path=/etc/$app
 chmod 755 $install_dir