diff --git a/prototype/src/main/java/org/hso/ecommerce/repos/shop/ArticleRepository.java b/prototype/src/main/java/org/hso/ecommerce/repos/shop/ArticleRepository.java
index d0a6ab1..b8be714 100644
--- a/prototype/src/main/java/org/hso/ecommerce/repos/shop/ArticleRepository.java
+++ b/prototype/src/main/java/org/hso/ecommerce/repos/shop/ArticleRepository.java
@@ -23,7 +23,7 @@ public interface ArticleRepository extends JpaRepository<Article, Long> {
     @Query("SELECT a FROM Article a")
     List<Article> findAll();
 
-    @Query(value = "Select a.* from articles as a, article_offers as ao, warehouse_booking_position_entries as wbpe where a.related_id = ao.id and wbpe.article_id = a.id and ao.should_be_advertised = true group by wbpe.slot_id having max(wbpe.id) and wbpe.new_sum_slot != 0", nativeQuery = true)
+    @Query(value = "SELECT DISTINCT a.* from articles as a, article_offers as ao, warehouse_booking_position_entries as wbpe where a.related_id = ao.id and wbpe.article_id = a.id and ao.should_be_advertised = true group by wbpe.slot_id having max(wbpe.id) and wbpe.new_sum_slot != 0", nativeQuery = true)
     List<Article> getAdvertisedArticles();
 
     @Query("SELECT a FROM CustomerOrderPosition cop JOIN cop.order co JOIN co.customer c JOIN cop.article a ORDER BY co.id DESC")