diff --git a/pandora_console/include/functions_treeview.php b/pandora_console/include/functions_treeview.php
index 2a0b240ae7..64ab5bf983 100755
--- a/pandora_console/include/functions_treeview.php
+++ b/pandora_console/include/functions_treeview.php
@@ -501,7 +501,7 @@ function treeview_printTable($id_agente, $server_data = array()) {
 						"operation/agentes/interface_traffic_graph_win.php?" .
 						"params=$params_encoded";
 				}
-				else if (!empty($server)) {
+				else if (!empty($server_data)) {
 					$graph_url = ui_meta_get_url_console_child(
 						$server_data, null, null, null, null,
 						"operation/agentes/interface_traffic_graph_win.php?" .