diff --git a/src/main/java/de/thm/arsnova/services/FeedbackService.java b/src/main/java/de/thm/arsnova/services/FeedbackService.java
index 0c313b43b099bb4a6e72ff5a112901e87d142330..d022b219d12b553e8daa4c282af00588870fb875 100644
--- a/src/main/java/de/thm/arsnova/services/FeedbackService.java
+++ b/src/main/java/de/thm/arsnova/services/FeedbackService.java
@@ -188,6 +188,8 @@ public class FeedbackService implements IFeedbackService {
 				case 3:
 					d++;
 					break;
+				default:
+					break;
 				}
 			}