--- /usr/share/univention-management-console-frontend/js/dijit/themes/umc/umc.css.orig	2016-11-11 12:09:01.047041000 +0100
+++ /usr/share/univention-management-console-frontend/js/dijit/themes/umc/umc.css	2016-11-11 12:09:06.027041000 +0100
@@ -10692 +10692 @@
-  background: url("http://demo.univention.de/univention-management-console/js_$20162001042724$/dijit/themes/umc/images/background-tile.png") repeat, #5a5a5a;
+  background: url("https://demo.univention.de/univention-management-console/js_$20162001042724$/dijit/themes/umc/images/background-tile.png") repeat, #5a5a5a;