Index: Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/DerivedPipingInputTest.cs
===================================================================
diff -u -r8905298103eb01ce13dd5c1a2f267f879d4fda3e -r1df1e9ae0057dde85489929cbf85d222c26e8c5f
--- Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/DerivedPipingInputTest.cs	(.../DerivedPipingInputTest.cs)	(revision 8905298103eb01ce13dd5c1a2f267f879d4fda3e)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Data.Test/DerivedPipingInputTest.cs	(.../DerivedPipingInputTest.cs)	(revision 1df1e9ae0057dde85489929cbf85d222c26e8c5f)
@@ -582,7 +582,7 @@
 
             // Assert
             Assert.AreEqual(0.5, seepageLength.Mean.Value);
-            Assert.AreEqual(0.05, seepageLength.StandardDeviation.Value);
+            Assert.AreEqual(0.1, seepageLength.CoefficientOfVariation.Value);
         }
 
         [Test]
@@ -598,7 +598,7 @@
 
             // Assert
             Assert.IsNaN(seepageLength.Mean);
-            Assert.IsNaN(seepageLength.StandardDeviation);
+            Assert.AreEqual(0.1, seepageLength.CoefficientOfVariation);
         }
 
         [Test]
@@ -614,7 +614,7 @@
 
             // Assert
             Assert.IsNaN(seepageLength.Mean);
-            Assert.IsNaN(seepageLength.StandardDeviation);
+            Assert.AreEqual(0.1, seepageLength.CoefficientOfVariation);
         }
 
         [Test]