diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6fad7572..959b072e 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -31,6 +31,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 - Fixed issue in weatherforecast module where predicted amount of rain was not using the decimal symbol specified in config.js.
 - Module header now updates correctly, if a module need to dynamically show/hide its header based on a condition.
 - Fix handling of config.js for serverOnly mode commented out.
+- Fixed issue in calendar module where the debug script didn't work correctly with authentication
 
 ## [2.9.0] - 2019-10-01
 
diff --git a/modules/default/calendar/debug.js b/modules/default/calendar/debug.js
index a568e1cd..bf65a279 100644
--- a/modules/default/calendar/debug.js
+++ b/modules/default/calendar/debug.js
@@ -24,7 +24,7 @@ var auth = {
 
 console.log("Create fetcher ...");
 
-fetcher = new CalendarFetcher(url, fetchInterval, maximumEntries, maximumNumberOfDays, auth);
+fetcher = new CalendarFetcher(url, fetchInterval, [], maximumEntries, maximumNumberOfDays, auth);
 
 fetcher.onReceive(function(fetcher) {
 	console.log(fetcher.events());
@@ -38,4 +38,4 @@ fetcher.onError(function(fetcher, error) {
 
 fetcher.startFetch();
 
-console.log("Create fetcher done! ");
\ No newline at end of file
+console.log("Create fetcher done! ");