diff --git a/includes/defaults.inc.php b/includes/defaults.inc.php
index 365a9121ba..b9961f7042 100644
--- a/includes/defaults.inc.php
+++ b/includes/defaults.inc.php
@@ -81,7 +81,7 @@ $config['ignore_mount_network']   = 1; # Ignore network mounted storage
 $config['ignore_mount_optical']   = 1; # Ignore mounted optical discs
 
 $config['device_traffic_iftype']  = array('/loopback/','/other/','/tunnel/','/virtual/','/mpls/');
-$config['device_traffic_descr']   = array('/loopback/','/vlan/','/tunnel/','/:/');
+$config['device_traffic_descr']   = array('/loopback/','/vlan/','/tunnel/','/:\d+/');
 
 $config['allow_unauth_graphs']	  = 0; ## Allow graphs to be viewed by anyone