diff --git a/Report/ReportObjects/ServicesOverviewRO.cs b/Report/ReportObjects/ServicesOverviewRO.cs
index 2f33f47b3..d1ad9c87c 100644
--- a/Report/ReportObjects/ServicesOverviewRO.cs
+++ b/Report/ReportObjects/ServicesOverviewRO.cs
@@ -1277,6 +1277,7 @@ namespace BeWo.Report.ReportObjects
                         atTemp.Start = atDb.Start;
                         atTemp.End = atDb.End;
                         atTemp.AbsenceReason = reasonTemp;
+                        atTemp.Oid = atDb.Oid;
 
                         bool addToList = (
                             !atTemp.AbsenceReason.Description.ToLower().Contains("urlaub") &&