diff --git a/www-swagg.pl b/www-swagg.pl
index 4a07eed..83d9759 100755
--- a/www-swagg.pl
+++ b/www-swagg.pl
@@ -57,7 +57,7 @@ get '/ula6' => sub {
     my ($mac, $ula6);
 
     # Check the MAC
-    $mac = ($c->param('macaddr')) ? lc $c->param('macaddr') : '';
+    $mac = $c->param('macaddr') ? lc $c->param('macaddr') : '';
     if ($mac =~ /$RE{net}{MAC}/) {
         # Local vars for this bit
         my (
@@ -75,8 +75,7 @@ get '/ula6' => sub {
 
         # EUI64
         @fields   = split(/:/, $mac);
-        $halfone  = $fields[0] . $fields[1] . $fields[2] . "ff";
-        $halftwo  = "fe"       . $fields[3] . $fields[4] . $fields[5];
+        $halftwo  = "fe" . $fields[3] . $fields[4] . $fields[5];
         $binfield = sprintf "%b", hex $fields[0];
         $decfield = sprintf "%d", hex $fields[0];
         $decfield = ($binfield =~ /1[01]$/) ? $decfield - 2 : $decfield + 2;