diff --git a/YACOSWeb/src/org/yacos/web/author/controller/ArticleDeleteController.java b/YACOSWeb/src/org/yacos/web/author/controller/ArticleDeleteController.java
index d98289f..f029266 100644
--- a/YACOSWeb/src/org/yacos/web/author/controller/ArticleDeleteController.java
+++ b/YACOSWeb/src/org/yacos/web/author/controller/ArticleDeleteController.java
@@ -49,7 +49,7 @@ public class ArticleDeleteController implements Controller {
 	
 			if(!articleManager.getPreferencesForArticle(articleId).isEmpty()
 					|| !userManager.getPCMemberForArticle(articleId).isEmpty()
-					|| messageManager.getMessagesForArticle(articleId).isEmpty()){
+					|| !messageManager.getMessagesForArticle(articleId).isEmpty()){
 					return new ModelAndView(new RedirectView("manageArticle.htm?delete=ko"));
 			}
 			articleManager.removeArticle(articleId);