diff --git a/os/FreeBSD/Bastille/Bastille.md b/os/FreeBSD/Bastille/Bastille.md
index 001fbfc..5cdfe55 100644
--- a/os/FreeBSD/Bastille/Bastille.md
+++ b/os/FreeBSD/Bastille/Bastille.md
@@ -37,7 +37,7 @@ freebsd-version
 First we need to make a backup of `pf.conf`, if you already setup pf before, otherwise you can skip this step.
 
 ```sh
-mv /etc/pf.conf /etc/pf.conf.backup
+cp /etc/pf.conf /etc/pf.conf.backup
 ```
 
 And then