diff --git a/includes/discovery/ports.inc.php b/includes/discovery/ports.inc.php
index 951930e66b..ca4255d9ea 100755
--- a/includes/discovery/ports.inc.php
+++ b/includes/discovery/ports.inc.php
@@ -22,6 +22,14 @@
       $if = trim(strtolower($ifDescr));
       $nullintf = 0;
       foreach($config['bad_if'] as $bi) { if (strstr($if, $bi)) { $nullintf = 1; } }
+      if(is_array($config['bad_if_regexp'])) {
+        foreach($config['bad_if_regexp'] as $bi) {
+          if (preg_match($bi ."i", $if)) {
+            $nullintf = 1;
+          }
+        }
+      }
+
       if($device['os'] == "catos" && strstr($if, "vlan") ) { $nullintf = 1; } 
       $ifDescr = fixifName($ifDescr);
       if (preg_match('/serial[0-9]:/', $if)) { $nullintf = 1; }