diff --git a/src/main/webapp/accountingman/js/modules/exporting.js b/src/main/webapp/accountingman/js/modules/exporting.js
index 52fed72..6b681f3 100644
--- a/src/main/webapp/accountingman/js/modules/exporting.js
+++ b/src/main/webapp/accountingman/js/modules/exporting.js
@@ -98,7 +98,7 @@ defaultOptions.exporting = {
 	//enabled: true,
 	//filename: 'chart',
 	type: 'image/png',
-	url: 'http://export.highcharts.com/',
+	url: 'https://export.highcharts.com/',
 	//width: undefined,
 	//scale: 2
 	buttons: {