diff --git a/private/lib/gui/html.inclusion.php b/private/lib/gui/html.inclusion.php
index c844416..408da75 100644
--- a/private/lib/gui/html.inclusion.php
+++ b/private/lib/gui/html.inclusion.php
@@ -39,7 +39,7 @@ GUIHandler::addJavascriptLib(GUIHandler::JAVASCRIPT_ADMIN,"datetimepicker-master
 
 GUIHandler::addJavascriptLib(GUIHandler::JAVASCRIPT_ADMIN,"highcharts.js");
 
-GUIHandler::addJavascriptLib(GUIHandler::JAVASCRIPT_ADMIN,"functions.js");
+GUIHandler::addJavascriptLib(GUIHandler::JAVASCRIPT_ADMIN,"functions.js?rev=".time());
 
 /*
  ____  _   _ ____  _     ___ ____