allow deletion of mac prefix

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>

diff --git a/www/manager6/dc/OptionView.js b/www/manager6/dc/OptionView.js
index a3f1d3f7b2d6ee1a579f385cde8abaf5b312cc85..ace1fce54be41a792387a776df8cdc403fbc9524 100644 (file)
--- a/www/manager6/dc/OptionView.js
+++ b/www/manager6/dc/OptionView.js
@@ -32,6 +32,7 @@ Ext.define('PVE.dc.OptionView', {
            defaultValue: 'root@$hostname'
        });
        me.add_text_row('mac_prefix', gettext('MAC address prefix'), {
+           deleteEmpty: true,
            vtype: 'MacPrefix',
            defaultValue: Proxmox.Utils.noneText
        });