Index: Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfiles/PipingSoilProfileTransformerTest.cs
===================================================================
diff -u -rdaa6b36fc2506683c50ba4117790452ae4f45d7f -r04bc278020912c714c4c2ece8fc8aac08a2adca5
--- Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfiles/PipingSoilProfileTransformerTest.cs	(.../PipingSoilProfileTransformerTest.cs)	(revision daa6b36fc2506683c50ba4117790452ae4f45d7f)
+++ Ringtoets/Piping/test/Ringtoets.Piping.IO.Test/SoilProfiles/PipingSoilProfileTransformerTest.cs	(.../PipingSoilProfileTransformerTest.cs)	(revision 04bc278020912c714c4c2ece8fc8aac08a2adca5)
@@ -68,7 +68,10 @@
         {
             // Setup
             const string name = "name";
-            var profile = new SoilProfile2D(0, name, Enumerable.Empty<SoilLayer2D>());
+            var profile = new SoilProfile2D(0, name, new[]
+            {
+                new SoilLayer2D()
+            });
 
             // Call
             TestDelegate test = () => PipingSoilProfileTransformer.Transform(profile);