<div align="center">
-<form accept-charset="UTF-8" action="{%url=modules.php?module=admin&what=list_network_types&do=add_network_type&network_id={%get=network_id%}%}" method="post">
+<form accept-charset="UTF-8" action="{%url=modules.php?module=admin&what=list_network_types&do=add_network_type%}&network_id={%get=network_id%}" method="post">
<table border="0" cellspacing="0" cellpadding="0" class="table dashed">
<tr>
<td class="table_header bottom" colspan="2" align="center">