diff --git a/includes/discovery/os/vyos.inc.php b/includes/discovery/os/vyos.inc.php
index 8082cf93ab..57e6fac9b6 100644
--- a/includes/discovery/os/vyos.inc.php
+++ b/includes/discovery/os/vyos.inc.php
@@ -1,7 +1,7 @@
 <?php
 
 if (!$os || $os == "vyatta") {
-    if (preg_match("/^Vyatta VyOS/", $sysDescr) || preg_match("/^VyOS/", $sysDescr)) {
+    if (preg_match("/^Vyatta VyOS/", $sysDescr) || preg_match("/^VyOS/i", $sysDescr)) {
 	$os = "vyos";
     }
 }