diff --git a/html/pages/device/port/realtime.inc.php b/html/pages/device/port/realtime.inc.php
index 41311917fd..7b282066e4 100644
--- a/html/pages/device/port/realtime.inc.php
+++ b/html/pages/device/port/realtime.inc.php
@@ -1,5 +1,7 @@
 <?php
 
+$no_refresh = true;
+
 // FIXME - do this in a function and/or do it in graph-realtime.php
 if (!isset($vars['interval'])) {
     if ($device['os'] == 'linux') {