diff --git a/prototype/src/main/java/org/hso/ecommerce/controller/cronjob/CronjobController.java b/prototype/src/main/java/org/hso/ecommerce/controller/cronjob/CronjobController.java
index 23c5955..f86703b 100644
--- a/prototype/src/main/java/org/hso/ecommerce/controller/cronjob/CronjobController.java
+++ b/prototype/src/main/java/org/hso/ecommerce/controller/cronjob/CronjobController.java
@@ -173,8 +173,11 @@ class Reorder implements ICronjob {
             Integer undeliveredReorders = controller.supplierOrderRepository
                     .countUndeliveredReorders(article.related.articleNumber);
 
-            int amountInStock = controller.warehouseBookingPositionSlotEntryRepository.getArticleStock(article.id)
-                    .orElse(0);
+            int amountInStock = controller.warehouseBookingPositionSlotEntryRepository
+                    .getByArticle(article.id)
+                    .stream()
+                    .mapToInt(e -> e.newSumSlot)
+                    .sum();
 
             ReorderAction action = new ReorderAction(article, orderedAmounts,
                     undeliveredReorders,
diff --git a/prototype/src/main/java/org/hso/ecommerce/controller/intern/InternArticleController.java b/prototype/src/main/java/org/hso/ecommerce/controller/intern/InternArticleController.java
index 38b2222..e6d6f52 100644
--- a/prototype/src/main/java/org/hso/ecommerce/controller/intern/InternArticleController.java
+++ b/prototype/src/main/java/org/hso/ecommerce/controller/intern/InternArticleController.java
@@ -53,7 +53,11 @@ public class InternArticleController {
 
 		for (Article article : articleRepository.findAll()) {
 			UImodelArticles tmp = new UImodelArticles();
-			tmp.addListedArticle(article, warehouseEntryRepository.getArticleStock(article.id).orElse(0));
+			tmp.addListedArticle(article, warehouseEntryRepository
+					.getByArticle(article.id)
+					.stream()
+					.mapToInt(e -> e.newSumSlot)
+					.sum());
 			totals.add(tmp);
 		}
 
@@ -63,10 +67,14 @@ public class InternArticleController {
 
 	@GetMapping("/{id}")
 	public String internListedArticlesId(Model model, @PathVariable String id) {
-		int articleid = Integer.parseInt(id);
+		long articleId = Long.parseLong(id);
 		UImodelArticle total = new UImodelArticle();
-		total.addArticle(articleRepository.findArticleById(articleid),
-				warehouseEntryRepository.getArticleStock(articleid).orElse(0));
+		total.addArticle(
+				articleRepository.findById(articleId).get(),
+				warehouseEntryRepository.getByArticle(articleId)
+						.stream()
+						.mapToInt(e -> e.newSumSlot)
+						.sum());
 
 		model.addAttribute("ArticleID", total);
 		return "intern/listedArticles/id";
diff --git a/prototype/src/main/java/org/hso/ecommerce/repos/warehouse/WarehouseBookingPositionSlotEntryRepository.java b/prototype/src/main/java/org/hso/ecommerce/repos/warehouse/WarehouseBookingPositionSlotEntryRepository.java
index 804e8b7..ba54b0f 100644
--- a/prototype/src/main/java/org/hso/ecommerce/repos/warehouse/WarehouseBookingPositionSlotEntryRepository.java
+++ b/prototype/src/main/java/org/hso/ecommerce/repos/warehouse/WarehouseBookingPositionSlotEntryRepository.java
@@ -14,9 +14,6 @@ public interface WarehouseBookingPositionSlotEntryRepository extends JpaReposito
     @Query(value = "Select e.id, e.article_id, e.new_sum_slot, e.slot_id from warehouse_booking_position_entries as e, warehouse_slots as s where e.slot_id = s.id AND e.article_id = :article GROUP BY s.slot_num HAVING max(e.id)", nativeQuery = true)
     List<WarehouseBookingPositionSlotEntry> getByArticle(long article);
 
-    @Query(value = "SELECT SUM(w.new_sum_slot) FROM warehouse_booking_position_entries as w WHERE w.article_id = :articleid", nativeQuery = true)
-    Optional<Integer> getArticleStock(long articleid);
-
     @Query(value = "Select e.id, e.article_id, e.new_sum_slot, e.slot_id from warehouse_booking_position_entries as e, warehouse_slots as s where e.slot_id = s.id AND s.slot_num = :slotnum GROUP BY s.slot_num HAVING max(e.id)", nativeQuery = true)
     Optional<WarehouseBookingPositionSlotEntry> getBySlotNum(long slotnum);