Index: Ringtoets/Piping/src/Ringtoets.Piping.Plugin/Ringtoets.Piping.Plugin.csproj
===================================================================
diff -u -r86e717a5477d55d1c4351f2857a1d76e220a3ab4 -r10779bb6a6db2d00f4627b2bc190e7e35e1fee3e
--- Ringtoets/Piping/src/Ringtoets.Piping.Plugin/Ringtoets.Piping.Plugin.csproj	(.../Ringtoets.Piping.Plugin.csproj)	(revision 86e717a5477d55d1c4351f2857a1d76e220a3ab4)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Plugin/Ringtoets.Piping.Plugin.csproj	(.../Ringtoets.Piping.Plugin.csproj)	(revision 10779bb6a6db2d00f4627b2bc190e7e35e1fee3e)
@@ -139,6 +139,10 @@
       <Name>Ringtoets.Piping.Data</Name>
       <Private>False</Private>
     </ProjectReference>
+    <ProjectReference Include="..\Ringtoets.Piping.Primitives\Ringtoets.Piping.Primitives.csproj">
+      <Project>{14C6F716-64E2-4BC4-A1EF-05865FCEFA4C}</Project>
+      <Name>Ringtoets.Piping.Primitives</Name>
+    </ProjectReference>
     <ProjectReference Include="..\Ringtoets.Piping.Service\Ringtoets.Piping.Service.csproj">
       <Project>{10B8D63D-87E8-46DF-ACA9-A8CF22EE8FB5}</Project>
       <Name>Ringtoets.Piping.Service</Name>