diff --git a/.aliases-mac b/.aliases-mac
index c46067a..f9d5d0b 100644
--- a/.aliases-mac
+++ b/.aliases-mac
@@ -17,3 +17,4 @@ alias iperf='iperf3'
 alias kubectl="minikube kubectl --"
 alias python='python3'
 alias flushdns='sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder'
+alias genmacaddr="openssl rand -hex 6 | sed 's/\(..\)/\1:/g; s/.$//'"