diff --git a/archinstall/chrootinstall.sh b/archinstall/chrootinstall.sh
index 5c084fe..90a4ad1 100755
--- a/archinstall/chrootinstall.sh
+++ b/archinstall/chrootinstall.sh
@@ -471,7 +471,7 @@ pacman -Sc --noconfirm
 echo "Sincronizando datos al disco duro, puede tardar unos segundos"
 sync
 
-if [[ -f /mnt/etc/pacman.conf.post ]];then # Is an offline installation?
+if [[ isoffline = 1 ]];then # Is an offline installation?
 echo "Configurando pacman para usar servidores web en los siguientes arranques..."
 mv -f /mnt/etc/pacman.conf.post /mnt/etc/pacman.conf
 fi