diff --git a/archinstall/archinstall.sh b/archinstall/archinstall.sh
index f6e3d47..1e94464 100755
--- a/archinstall/archinstall.sh
+++ b/archinstall/archinstall.sh
@@ -71,11 +71,11 @@ select opt in "${options[@]}"
 do
     case $opt in
         "EXT4")
-            formatoraiz="mkfs.ext4"
+            formatoraiz="mkfs.ext4 -F"
             break
             ;;
         "BTRFS")
-            formatoraiz="mkfs.btrfs"
+            formatoraiz="mkfs.btrfs -f"
             break
             ;;
 		"No formatear")