diff --git a/computer-rename2.sh b/computer-rename2.sh
index 1316f40..369c2c6 100644
--- a/computer-rename2.sh
+++ b/computer-rename2.sh
@@ -2,7 +2,7 @@
 
 FullName=$(sudo -u $(stat -f "%Su" /dev/console) id -F)
 ComputerModel=$(/usr/sbin/system_profiler SPHardwareDataType | grep 'Model Name' | cut -d":" -f2)
-ComputerName=$(echo $FullName$ComputerModel | sed -e "s/ /-/g" )
+ComputerName=$(echo $FullName$ComputerModel | sed -e "s/ /-/g" | sed -e "s/\./-/g" )
 /usr/sbin/scutil --set HostName "$ComputerName"
 /usr/sbin/scutil --set LocalHostName "$ComputerName"
 /usr/sbin/scutil --set ComputerName "$ComputerName"