--- a/lib/graphs.inc.php
+++ b/lib/graphs.inc.php
@@ -93,11 +93,11 @@
                 {
                
                 grid: { hoverable: true, clickable: true, labelMargin: 17  },
-                selection: { mode: "x" }<?php if ($time){
+                selection: { mode: "x" } <?php if ($time){
                     echo ', xaxis: {
                 mode: "time"
             }';} else {
-                echo 'series: {
+                echo ', series: {
                     stack: true
                 },';
             } ?>