diff --git a/ReportImp/Mittelpunkt/Invoicing/CustomInvoiceCreation.cs b/ReportImp/Mittelpunkt/Invoicing/CustomInvoiceCreation.cs
index 763710b69..354c963cc 100644
--- a/ReportImp/Mittelpunkt/Invoicing/CustomInvoiceCreation.cs
+++ b/ReportImp/Mittelpunkt/Invoicing/CustomInvoiceCreation.cs
@@ -76,6 +76,8 @@ namespace Mittelpunkt.Invoicing
 
             var crpWithRateFactor = scap.CostBearer2SupportConcept.CostBearer.CostRatePeriods.FirstOrDefault(crp => crp.CostRateType == BS.Shared.CostRatePeriodType.RateFactor);
             var ratefactor = crpWithRateFactor != null ? (100 + crpWithRateFactor.CostRateValue.Value) / 100 : 1m;
+            if (!scap.CostBearer2SupportConcept.CostBearer.IsCalculatingWithFactor)
+                ratefactor = 1;
 
             var list = new List<InvoiceItem>();
             int week = 0;