diff --git a/src/ZugferdDocumentReader.php b/src/ZugferdDocumentReader.php
index 814724c4..f8ffe1c4 100644
--- a/src/ZugferdDocumentReader.php
+++ b/src/ZugferdDocumentReader.php
@@ -3448,7 +3448,6 @@ public function nextDocumentPosition(): bool
         $this->positionProductCharacteristicPointer = 0;
         $this->positionProductClassificationPointer = 0;
         $this->positionReferencedProductPointer = 0;
-        $this->positionAddRefDocPointer = 0;
 
         $tradeLineItem = $this->getInvoiceValueByPath("getSupplyChainTradeTransaction.getIncludedSupplyChainTradeLineItem", []);
         return isset($tradeLineItem[$this->positionPointer]);