diff --git a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/ZahlungseingangSaldoAdapter.java b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/ZahlungseingangSaldoAdapter.java
index 28be94a..a3ea33d 100644
--- a/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/ZahlungseingangSaldoAdapter.java
+++ b/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/ZahlungseingangSaldoAdapter.java
@@ -60,6 +60,7 @@ public class ZahlungseingangSaldoAdapter implements SignalAdapter {
         // payment currency
         String paymentCurrency = document.getItemValueString("payment.currency");
         double masterPaymentAmount = document.getItemValueDouble("payment.amount");
+        double masterPaymentDifference = document.getItemValueDouble("payment.difference");
         String paymentWarning = document.getItemValueString("payment.warning");
 
         List<ItemCollection> paymentDetails = zahlungseingangService.loadPaymentDetails(document);
@@ -82,7 +83,7 @@ public class ZahlungseingangSaldoAdapter implements SignalAdapter {
         if (paymentWarning.isEmpty()) {
             // falls mehr einzelsummen eingeben wurden als der oben angegeben Total Pamyment
             // dann soll eine Warnung ausgegen werden.
-            if (masterPaymentAmount != einzelPayments) {
+            if ((masterPaymentAmount+masterPaymentDifference) != einzelPayments) {
                 document.setItemValue("payment.warning", "invalid saldo");
                 throw new PluginException(PluginException.class.getName(),
                         ZahlungseingangService.ERROR_PAYMENT_BOOKING_FAILED,