diff --git a/ReportImp/DieBrueckeHilfeUndHalt/Invoicing/CustomInvoiceFactory.cs b/ReportImp/DieBrueckeHilfeUndHalt/Invoicing/CustomInvoiceFactory.cs
index 0304c616d..47cea635d 100644
--- a/ReportImp/DieBrueckeHilfeUndHalt/Invoicing/CustomInvoiceFactory.cs
+++ b/ReportImp/DieBrueckeHilfeUndHalt/Invoicing/CustomInvoiceFactory.cs
@@ -20,7 +20,8 @@ namespace DieBrueckeHilfeUndHalt.Invoicing
             {
                 var csc = item.Key;
                 var sc = DAOFactory.GenericDAO.GetByID<SupportConcept>(csc.SupportConceptOid);
-                var ap = sc.CostBearer2SupportConceptList.FirstOrDefault(cb2sc => csc.CostBearer.Contains(cb2sc.CostBearer.Organisation.Name));
+                var ap = sc.CostBearer2SupportConceptList.FirstOrDefault(cb2sc => csc.CostBearer.Contains(cb2sc.CostBearer.Organisation.Name) 
+                                                                            && csc.StartDate == cb2sc.StartDate && csc.EndDate == cb2sc.EndDate);
                 if (ap != null)
                 {
                     if (ap.CostBearer.Organisation.Function != null && ap.CostBearer.Organisation.Function.Value.ToLower().Contains("neue vereinbarung"))