diff --git a/Services/ReadData/External/ReadStockService.php b/Services/ReadData/External/ReadStockService.php
index e0eeeea..c8847d2 100644
--- a/Services/ReadData/External/ReadStockService.php
+++ b/Services/ReadData/External/ReadStockService.php
@@ -52,13 +52,7 @@ public function transform(array $products)
                 continue;
             }
 
-            if((int)$this->config['ordernumberMapping'] === 1) {
-                $articleIdentifier = $product['Anr'];
-            } else {
-                $articleIdentifier = $product["ProductID"];
-            }
-
-            $articleStocks[] = new $this->targetEntity($articleIdentifier, intval($product["Quantity"]));
+            $articleStocks[] = new $this->targetEntity($product["ProductID"], intval($product["Quantity"]));
         }
 
         return $articleStocks;