Index: Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs
===================================================================
diff -u -r050f297b6b5c90409448e64b5383c017ce9e4ef5 -racd375042fb10c2774f972b9dfe8a2cf366de1f2
--- Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs	(.../PipingFailureMechanismContextTreeNodeInfoTest.cs)	(revision 050f297b6b5c90409448e64b5383c017ce9e4ef5)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Plugin.Test/TreeNodeInfos/PipingFailureMechanismContextTreeNodeInfoTest.cs	(.../PipingFailureMechanismContextTreeNodeInfoTest.cs)	(revision acd375042fb10c2774f972b9dfe8a2cf366de1f2)
@@ -186,7 +186,7 @@
 
                 failureMechanismAssemblyCategoriesContext.GetFailureMechanismSectionAssemblyCategoriesFunc();
                 PipingProbabilityAssessmentInput probabilityAssessmentInput = pipingFailureMechanism.PipingProbabilityAssessmentInput;
-                Assert.AreEqual(probabilityAssessmentInput.GetN(probabilityAssessmentInput.SectionLength), calculator.AssemblyCategoriesInput.N);
+                Assert.AreEqual(probabilityAssessmentInput.GetN(assessmentSection.ReferenceLine.Length), calculator.AssemblyCategoriesInput.N);
             }
 
             var failureMechanismScenariosContext = (PipingScenariosContext) outputsFolder.Contents.ElementAt(1);