diff --git a/src/main/webapp/app/controller/Feature.js b/src/main/webapp/app/controller/Feature.js
index 346b21be86400c573cb895248636ac4a2412b112..b5c8dc4fed865642a7d215fef77d7ef04577a851 100644
--- a/src/main/webapp/app/controller/Feature.js
+++ b/src/main/webapp/app/controller/Feature.js
@@ -179,6 +179,7 @@ Ext.define("ARSnova.controller.Feature", {
 			features.feedback = false;
 			features.lecture = false;
 			features.pi = false;
+			features.slides = false;
 
 			if (useCases.flashcard) {
 				features.lecture = true;