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-rw-r--r--etc/inc/util.inc3
1 files changed, 2 insertions, 1 deletions
diff --git a/etc/inc/util.inc b/etc/inc/util.inc
index f12b13f..88cce91 100644
--- a/etc/inc/util.inc
+++ b/etc/inc/util.inc
@@ -1209,7 +1209,8 @@ function mac_format($clientmac, $zone = false) {
global $config;
$mac = explode(":", $clientmac);
- $mac_format = $zone ? $config['captiveportal'][$zone]['radmac_format'] : false;
+ if ($zone)
+ $mac_format = $zone ? $config['captiveportal'][$zone]['radmac_format'] : false;
switch($mac_format) {
case 'singledash':
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