diff --git a/src/main/java/de/thm/arsnova/cache/CacheBuster.java b/src/main/java/de/thm/arsnova/cache/CacheBuster.java
index ed10194b5af93aab7b8928daf0f32710cd9b14bf..8a3d9fce334bbee10a51cb9171541775a3595e30 100644
--- a/src/main/java/de/thm/arsnova/cache/CacheBuster.java
+++ b/src/main/java/de/thm/arsnova/cache/CacheBuster.java
@@ -80,7 +80,7 @@ public class CacheBuster implements ICacheBuster, NovaEventVisitor {
 	@Override
 	public void visit(LockQuestionsEvent lockQuestionsEvent) {}
 
-	@CacheEvict(value = "answers", key = "#event.Session")
+	@CacheEvict(value = "answers", key = "#event.Question")
 	@Override
 	public void visit(NewAnswerEvent event) {}