diff --git a/ReportImp/SHKService/Invoicing/CollectiveInvoiceCreation.cs b/ReportImp/SHKService/Invoicing/CollectiveInvoiceCreation.cs
index 814cc8f28..c07ee9e85 100644
--- a/ReportImp/SHKService/Invoicing/CollectiveInvoiceCreation.cs
+++ b/ReportImp/SHKService/Invoicing/CollectiveInvoiceCreation.cs
@@ -106,7 +106,7 @@ namespace SHKService.Invoicing
                 }
                 else
                 {
-                    ii.AmountPerUnit = supportConceptApprovalPeriod.ApprovedBEPerInterval / 60 * data[0].AmountTotal;
+                    ii.AmountPerUnit = supportConceptApprovalPeriod.ApprovedBEPerInterval * (decimal)Math.Round((double)data[0].AmountTotal / 60, 4, MidpointRounding.AwayFromZero);
                     if (cb2sc.SupportConcept.Customer.Person.LastNameFirstName.Contains("(ka)"))
                     {
                         ii.ItemDescription = "Kompensatorische Assistenz";
@@ -117,6 +117,7 @@ namespace SHKService.Invoicing
                     }
                 }
 
+                ii.AmountPerUnit = Math.Round((decimal)ii.AmountPerUnit, 2, MidpointRounding.AwayFromZero);
                 ii.AmountTotal = ii.UnitCount * ii.AmountPerUnit;
                 ii.GrossAmountTotal = ii.AmountTotal;
                 serviceInvoicePeriod.InvoiceItemList.Add(ii);