diff --git a/src/etc/inc/interfaces.inc b/src/etc/inc/interfaces.inc
index b6a6ae432..725a885a1 100644
--- a/src/etc/inc/interfaces.inc
+++ b/src/etc/inc/interfaces.inc
@@ -5067,7 +5067,7 @@ function is_interface_mismatch()
 
     if (isset($config['interfaces'])) {
         foreach (legacy_config_get_interfaces(array("virtual" => false)) as $ifname => $ifcfg) {
-            if (preg_match("/^enc|^cua|^tun|^tap|^l2tp|^pptp|^ppp|^ovpn|^gif|^gre|^lagg|^bridge|vlan|_wlan/i", $ifcfg['if'])) {
+            if (preg_match("/^enc|^cua|^tun|^tap|^l2tp|^pptp|^ppp|^ovpn|^tinc|^gif|^gre|^lagg|^bridge|vlan|_wlan/i", $ifcfg['if'])) {
                 /* Do not check these interfaces */
                 continue;
             } elseif (does_interface_exist($ifcfg['if']) == false) {