diff --git a/ReportImp/BellaDonna/Export/SimbaExporter.cs b/ReportImp/BellaDonna/Export/SimbaExporter.cs
index 6f6a619da..6539213dd 100644
--- a/ReportImp/BellaDonna/Export/SimbaExporter.cs
+++ b/ReportImp/BellaDonna/Export/SimbaExporter.cs
@@ -361,7 +361,7 @@ namespace BellaDonna.Export
                  inner join invoicebase ib on ib.costbearer2supportconceptoid = c2s.oid
                  inner join serviceinvoice si on si.invoicebaseoid = ib.oid
                  inner join serviceinvoiceperiod sip on sip.serviceinvoiceoid = si.oid
-                WHERE ib.`AccountingPeriodEnd` >= ':Monat_Start' AND ib.`AccountingPeriodEnd` < ':Monat_End' and ib.IsActive = 1
+                WHERE ib.`AccountingPeriodEnd` >= ':Monat_Start' AND ib.`AccountingPeriodEnd` < ':Monat_End' and ib.IsActive = 1 AND ib.`IsExported` = 0
                 UNION
                 SELECT DISTINCT
                  'BCH',