diff --git a/ReportImp/KollegiumEv/KollegiumEv.csproj b/ReportImp/KollegiumEv/KollegiumEv.csproj
index 3e2bce4c5..5d4978d65 100644
--- a/ReportImp/KollegiumEv/KollegiumEv.csproj
+++ b/ReportImp/KollegiumEv/KollegiumEv.csproj
@@ -116,6 +116,7 @@
     <Compile Include="RechnungAssistenzstunden.Designer.cs">
       <DependentUpon>RechnungAssistenzstunden.cs</DependentUpon>
     </Compile>
+    <Compile Include="Service\CustomVacationService.cs" />
     <Compile Include="SettlementReport2.cs">
       <SubType>Component</SubType>
     </Compile>
diff --git a/ReportImp/KollegiumEv/Service/CustomVacationService.cs b/ReportImp/KollegiumEv/Service/CustomVacationService.cs
new file mode 100644
index 000000000..9bcf5eb2a
--- /dev/null
+++ b/ReportImp/KollegiumEv/Service/CustomVacationService.cs
@@ -0,0 +1,33 @@
+using BeWo.Service.Plugins;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace KollegiumEv.Service
+{
+    public class CustomVacationService: VacationService
+    {
+        public override decimal UrlaubstageRunden(decimal urlaubstage)
+        {
+            if (urlaubstage - (int)urlaubstage <= 0.1m)
+            {
+                urlaubstage = Math.Round(urlaubstage, MidpointRounding.AwayFromZero);
+            }
+            else if (urlaubstage - (int)urlaubstage <= 0.5m)
+            {
+                decimal digits = urlaubstage - (int)urlaubstage;
+
+                // aufrunden auf halbe Tage rausgenommen
+                urlaubstage = urlaubstage - digits;
+            }
+            else if (urlaubstage - (int)urlaubstage <= 1.0m)
+            {
+                urlaubstage = Math.Ceiling(urlaubstage);
+            }
+
+            return urlaubstage;
+        }
+    }
+}
diff --git a/Service/Plugins/VacationService.cs b/Service/Plugins/VacationService.cs
index d8c36455d..198a1661f 100644
--- a/Service/Plugins/VacationService.cs
+++ b/Service/Plugins/VacationService.cs
@@ -1012,6 +1012,13 @@ namespace BeWo.Service.Plugins
             }
 
             // Runden
+            urlaubstage = UrlaubstageRunden(urlaubstage);
+
+            return urlaubstage;
+        }
+
+        public virtual decimal UrlaubstageRunden(decimal urlaubstage)
+        {
             if (urlaubstage - (int)urlaubstage <= 0.1m)
             {
                 urlaubstage = Math.Round(urlaubstage, MidpointRounding.AwayFromZero);