diff --git a/setup/whiptail.sh b/setup/whiptail.sh
index a3bee17ea..4e3134eb0 100644
--- a/setup/whiptail.sh
+++ b/setup/whiptail.sh
@@ -672,7 +672,7 @@ whiptail_set_hostname() {
   local exitstatus=$?
   whiptail_check_exitstatus $exitstatus
 
-  while [[ "$HOSTNAME" == 'localhost' ]] ; do
+  while [[ "$HOSTNAME" == *'localhost'* ]] ; do
     whiptail --title "Security Onion Setup" --msgbox "Please choose a hostname that isn't localhost." 8 75
     HOSTNAME=$(whiptail --title "Security Onion Setup" --inputbox \
     "Enter the Hostname you would like to set." 10 75 $HOSTNAME 3>&1 1>&2 2>&3)