diff --git a/ReportImp/BetreuwoWesel/Invoicing/HdInvoiceCreation.cs b/ReportImp/BetreuwoWesel/Invoicing/HdInvoiceCreation.cs
index 863f22b52..af724433e 100644
--- a/ReportImp/BetreuwoWesel/Invoicing/HdInvoiceCreation.cs
+++ b/ReportImp/BetreuwoWesel/Invoicing/HdInvoiceCreation.cs
@@ -58,7 +58,8 @@ namespace BetreuWoWesel.Invoicing
 
             foreach (var item in invoiceList)
             {
-                result.Add(MapperFactory.ServiceInvoiceDC_ServiceInvoice.MapToNewDC(item));
+                if (item != null)
+                    result.Add(MapperFactory.ServiceInvoiceDC_ServiceInvoice.MapToNewDC(item));
             }
 
             if (result.Count > 1)