diff --git a/EvoCalculator.Core.Calculation/v2/Columns/CashflowMSFOColumn/BaseCashflowMSFOColumn.cs b/EvoCalculator.Core.Calculation/v2/Columns/CashflowMSFOColumn/BaseCashflowMSFOColumn.cs
index 7dc2dee..833e9ac 100644
--- a/EvoCalculator.Core.Calculation/v2/Columns/CashflowMSFOColumn/BaseCashflowMSFOColumn.cs
+++ b/EvoCalculator.Core.Calculation/v2/Columns/CashflowMSFOColumn/BaseCashflowMSFOColumn.cs
@@ -44,7 +44,7 @@ public class BaseCashflowMSFOColumn : v1.Columns.BaseCashflowMSFOColumn
     {
         base.PostCheck(additionalData);
 
-        if (flags.DISABLE_CHECKS_RESULTS == false && _preparedValues.PaymentDateNew != null &&
+        if (flags?.DISABLE_CHECKS_RESULTS == false && _preparedValues.PaymentDateNew != null &&
             this.Nominal < ((additionalData.MinCashflowMSFONominal / 100) - constants.DeltaIRR))
         {
             throw new Exception(