diff --git a/ReportImp/PraxisPusteblume/SammelrechnungNachKlienten.cs b/ReportImp/PraxisPusteblume/SammelrechnungNachKlienten.cs
index c07eef73e..2018d4053 100644
--- a/ReportImp/PraxisPusteblume/SammelrechnungNachKlienten.cs
+++ b/ReportImp/PraxisPusteblume/SammelrechnungNachKlienten.cs
@@ -5,11 +5,9 @@ using BeWo.Data.Entities;
 using BeWo.Report;
 using BeWo.Report.ReportObjects;
 using BeWo.Service.ServiceImplementations;
-using BS.Shared;
 using BS.Shared.Core;
 using BS.Shared.DataContracts;
 using DevExpress.XtraReports.UI;
-using PraxisPusteblume.Invoicing;
 
 namespace PraxisPusteblume
 {
@@ -98,7 +96,7 @@ namespace PraxisPusteblume
                             {
                                 i.UnitDescription = String.Format("zu je {0:c}", i.AmountPerUnit);
                             }
-                            if (i.ServiceDescription.EndsWith("?"))
+                            if (i.ServiceDescription != null && i.ServiceDescription.EndsWith("?"))
                             {
                                 i.ServiceDescription = i.ServiceDescription.Replace("?", "€");
                             }
@@ -118,11 +116,7 @@ namespace PraxisPusteblume
 
                             if (i.Hours.HasValue)
                                 hours += i.Hours.Value;
-
-
-
                         }
-
                     }
                 }
 
@@ -149,7 +143,7 @@ namespace PraxisPusteblume
                     {
                         foreach (var i in p.ServiceInvoiceItems)
                         {
-                            if (i.ServiceDescription.EndsWith("?"))
+                            if (i.ServiceDescription != null && i.ServiceDescription.EndsWith("?"))
                             {
                                 i.ServiceDescription = i.ServiceDescription.Replace("?", "€");
                             }