diff --git a/usr/local/www/firewall_virtual_ip.php b/usr/local/www/firewall_virtual_ip.php
index c1f212cf70..d0e05eb7bf 100755
--- a/usr/local/www/firewall_virtual_ip.php
+++ b/usr/local/www/firewall_virtual_ip.php
@@ -90,6 +90,8 @@ if ($_GET['act'] == "del") {
 		}
 
 		if (!$input_errors) {
+			if ($a_vip[$_GET['id']]['type'] == "ipalias")
+				mwexec("/sbin/ifconfig " . get_real_interface($a_vip[$_GET['id']]['interface']) . " delete {$a_vip[$_GET['id']]['subnet']}");
 			unset($a_vip[$_GET['id']]);
 			write_config();
 			touch($d_vipconfdirty_path);
diff --git a/usr/local/www/firewall_virtual_ip_edit.php b/usr/local/www/firewall_virtual_ip_edit.php
index 37e59f7e94..52029b5804 100755
--- a/usr/local/www/firewall_virtual_ip_edit.php
+++ b/usr/local/www/firewall_virtual_ip_edit.php
@@ -195,6 +195,8 @@ if ($_POST) {
 		}
 
 		if (isset($id) && $a_vip[$id]) {
+			if ($_POST['mode'] == "ipalias")
+				mwexec("/sbin/ifconfig " . get_real_interface($a_vip[$id]['interface']) . " delete {$a_vip[$id]['subnet']}");
 			/* modify all virtual IP rules with this address */
 			for ($i = 0; isset($config['nat']['rule'][$i]); $i++) {
 				if ($config['nat']['rule'][$i]['external-address'] == $a_vip[$id]['subnet'])