diff --git a/debian/oggui.postinst b/debian/oggui.postinst
index d65ff6a..83fa6aa 100644
--- a/debian/oggui.postinst
+++ b/debian/oggui.postinst
@@ -50,8 +50,8 @@ elif [ "$1" = "configure" ] && [ -n "$2" ]; then
     echo "Actualización desde la versión $2"
     # Si upgrade recupero los archivos de configuracion
     echo ">>> Backup de archivos de configuración reales en /opt/opengnsys"
-    backup_file_if_exists "/opt/opengnsys/oggui/etc/nginx/sites-available/oggui.conf"
-    backup_file_if_exists "$CONFIG_FILE"
+    restore_config_if_modified "/opt/opengnsys/oggui/etc/nginx/oggui.conf"
+    restore_config_if_modified "$CONFIG_FILE"
 
 fi