diff --git a/shell_aliases b/shell_aliases
index e0e2fb8..32a3aa9 100644
--- a/shell_aliases
+++ b/shell_aliases
@@ -26,7 +26,7 @@ alias remnux_thug='sudo docker run --rm -it --dns=192.168.130.1 -v /var/log/dock
 alias remnux_viper='docker run --rm -it --dns=192.168.130.1 -v ${workdir-`pwd`}:/home/nonroot/workdir remnux/viper bash'
 alias remnux_vol='docker run --rm -it -v ${workdir-`pwd`}:/home/nonroot/memdumps remnux/volatility bash'
 alias evtvd='vd -f csv --skip 5'
-alias rot13='tr "abcdefghijklmnopqrstuvwxyz" "zyxwvutsrqponmlkjihgfedcba"'
+alias rot13='tr "abcdefghijklmnopqrstuvwxyz" "nopqrstuvwxyzabcdefghijklm"'
 alias uniq2='awk '"'"'{a[$0]++; if (a[$0]==1) print $0 }'"'"
 function bindiff() { cmp -l "${1}" "${2}" | gawk '{printf "%s,%02X,%02X\n",$1,strtonum(0$2),strtonum(0$3) }' ; }
 function avscan(){ av="${1:-kaspersky}" ; if [ "${av}" == "update" ] ; then ( docker pull tabledevil/kaspersky ; docker pull tabledevil/sep ; docker pull tabledevil/clamav) ; elif [[ $# -eq 2 ]] ; then dritpwro "tabledevil/${av}" "${2}" ; else dritpwro --network=none "tabledevil/${av}" scan ; fi ;  }