diff --git a/templates/banned.html b/templates/banned.html
index 10618c2..dd82c37 100644
--- a/templates/banned.html
+++ b/templates/banned.html
@@ -24,7 +24,7 @@ window.onload = function () {
$(function () {
Highcharts.chart('container', {
chart: {
- plotBackgroundColor: null,
+ plotBackgroundColor: 'red',
plotBorderWidth: 0,
plotShadow: false
},