diff --git a/html/pages/device/collectd.inc.php b/html/pages/device/collectd.inc.php
index 600e1fd722..11be70a952 100644
--- a/html/pages/device/collectd.inc.php
+++ b/html/pages/device/collectd.inc.php
@@ -92,7 +92,7 @@ print_optionbar_end();
        echo("</div>");
 
        $graph_array['type']                    = "device_collectd";
-       $graph_array['id']                      = $device['device_id'];
+       $graph_array['device']                      = $device['device_id'];
 
        $graph_array['c_plugin']           = $vars['plugin'];
        $graph_array['c_plugin_instance'] = $instance;
diff --git a/html/pages/front/demo.php b/html/pages/front/demo.php
index 3327725d63..30d30ca1e5 100644
--- a/html/pages/front/demo.php
+++ b/html/pages/front/demo.php
@@ -18,7 +18,7 @@ foreach ($dev_list as $device_id => $descr)
   $graph_array['height'] = "100";
   $graph_array['width']  = "310";
   $graph_array['to']     = $config['time']['now'];
-  $graph_array['id']     = $device_id;
+  $graph_array['device']     = $device_id;
   $graph_array['type']   = "device_bits";
   $graph_array['from']   = $config['time']['day'];
   $graph_array['legend'] = "no";