diff --git a/Service/Service.csproj b/Service/Service.csproj
index 0f3a8e081..457c11dc7 100644
--- a/Service/Service.csproj
+++ b/Service/Service.csproj
@@ -218,6 +218,7 @@
     <Compile Include="DCEntityMapper\MedRecordDC_MedRecord.cs" />
     <Compile Include="DCEntityMapper\SignatureDC_Signature.cs" />
     <Compile Include="DCEntityMapper\SupportConceptApprovalPeriodEmployeeRelDC_SupportConceptApprovalPeriod2Employee.cs" />
+    <Compile Include="DCEntityMapper\VertretungDC_Vertretung.cs" />
     <Compile Include="DCEntityMapper\Wohnheimbuchung2Costbearer2SupportConceptRelDC_Wohnheimbuchung2Costbearer2SupportConcept.cs" />
     <Compile Include="DCEntityMapper\WohnheimbuchungDC_Wohnheimbuchung.cs" />
     <Compile Include="DCEntityMapper\WohnheimCustomerRelDC_Customer2WohnheimMapper.cs" />