diff --git a/debian/ogcore.postinst b/debian/ogcore.postinst
index af0bd5e..d8d42dc 100644
--- a/debian/ogcore.postinst
+++ b/debian/ogcore.postinst
@@ -67,6 +67,7 @@ if [ "$1" = "configure" ] && [ -z "$2" ]; then
     php bin/console opengnsys:load-default-menu
 
     echo ">>> Configurando usuario de base de datos para Grafana"
+    cp -a /etc/mysql/mariadb.conf.d/50-server.cnf /etc/mysql/mariadb.conf.d/50-server.cnf.bak
     sed -i 's/^bind-address\s*=.*/bind-address = 0.0.0.0/' /etc/mysql/mariadb.conf.d/50-server.cnf
     mariadb -e "
     CREATE USER IF NOT EXISTS 'grafana'@'%' IDENTIFIED BY 'grafana';