diff --git a/html/includes/graphs/application/proxmox_traffic.inc.php b/html/includes/graphs/application/proxmox_traffic.inc.php
index c83b6dc5c3..26d6e66823 100644
--- a/html/includes/graphs/application/proxmox_traffic.inc.php
+++ b/html/includes/graphs/application/proxmox_traffic.inc.php
@@ -18,10 +18,10 @@
 
 require 'includes/graphs/common.inc.php';
 
-$mysql_rrd = $config['rrd_dir'].'/proxmox/'.$vars['cluster'].'/'.$vars['vmid'].'_netif_'.$vars['port'].'.rrd';
+$proxmox_rrd = $config['rrd_dir'].'/proxmox/'.$vars['cluster'].'/'.$vars['vmid'].'_netif_'.$vars['port'].'.rrd';
 
-if (is_file($mysql_rrd)) {
-    $rrd_filename = $mysql_rrd;
+if (is_file($proxmox_rrd)) {
+    $rrd_filename = $proxmox_rrd;
 }
 
 $ds_in  = 'INOCTETS';