diff --git a/library/Grafana/Helpers/Timeranges.php b/library/Grafana/Helpers/Timeranges.php
index 94a392f..51a1516 100644
--- a/library/Grafana/Helpers/Timeranges.php
+++ b/library/Grafana/Helpers/Timeranges.php
@@ -92,7 +92,7 @@ protected function isValidTimeStamp($timestamp)
     private function buildTimerangeMenu($timerange = "", $timerangeto = "")
     {
         $clockIcon = $this->view->qlink('', 'dashboard/new-dashlet',
-            ['url' => 'grafana/dashboard?' . http_build_query($this->urlparams, null, '&', PHP_QUERY_RFC3986)],
+            ['url' => 'grafana/dashboard?' . http_build_query($this->urlparams, '', '&', PHP_QUERY_RFC3986)],
             ['icon' => 'clock', 'title' => 'Add graph to dashboard']);
 
         $menu = '<table class="grafana-table"><tr>';