Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingSoilLayerTest.cs
===================================================================
diff -u -r0bfd1f4e2a179c8575045e5af70dce2930665626 -r10779bb6a6db2d00f4627b2bc190e7e35e1fee3e
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingSoilLayerTest.cs	(.../PipingSoilLayerTest.cs)	(revision 0bfd1f4e2a179c8575045e5af70dce2930665626)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/PipingSoilLayerTest.cs	(.../PipingSoilLayerTest.cs)	(revision 10779bb6a6db2d00f4627b2bc190e7e35e1fee3e)
@@ -1,5 +1,6 @@
 using System;
 using NUnit.Framework;
+using Ringtoets.Piping.Primitives;
 
 namespace Ringtoets.Piping.Data.Test
 {