Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/Ringtoets.Piping.Data.csproj
===================================================================
diff -u -re1a8e98d60853beefbdb8c84e70f14165680ad7b -r425a1030cf1f383e0a8f5cbd712c52c5cc2d3369
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/Ringtoets.Piping.Data.csproj	(.../Ringtoets.Piping.Data.csproj)	(revision e1a8e98d60853beefbdb8c84e70f14165680ad7b)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/Ringtoets.Piping.Data.csproj	(.../Ringtoets.Piping.Data.csproj)	(revision 425a1030cf1f383e0a8f5cbd712c52c5cc2d3369)
@@ -65,6 +65,7 @@
       <DependentUpon>Resources.resx</DependentUpon>
     </Compile>
     <Compile Include="PipingProbabilityAssessmentInput.cs" />
+    <Compile Include="RingtoetsPipingSurfaceLineCollection.cs" />
     <Compile Include="StochasticSoilModel.cs" />
     <Compile Include="StochasticSoilModelCollection.cs" />
     <Compile Include="StochasticSoilModelProfileDifference.cs" />