diff --git a/includes/polling/os/vyos.inc.php b/includes/polling/os/vyos.inc.php
index 57ae2b5bf7..f1f722d702 100644
--- a/includes/polling/os/vyos.inc.php
+++ b/includes/polling/os/vyos.inc.php
@@ -1,7 +1,11 @@
 <?php
 
-str_replace("Vyatta", "", $poll_device['sysDescr']);
-list(,$version) = explode(" ", $poll_device['sysDescr'], 2);
+# Remove Vyatta prefix
+$device['sysDescr'] = str_replace("Vyatta ", "", $device['sysDescr']);
+
+# Version is second remaining word in sysDescr
+list(,$version) = explode(" ", $device['sysDescr']);
+
 $features = "";
 
 ?>