Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Plugin.Test/TreeNodeInfos/MacroStabilityInwardsFailureMechanismContextTreeNodeInfoTest.cs
===================================================================
diff -u -rb6d87cc418dc69bee464649b636e85b538d0852e -r62e47f0904c38e013615cd2c5b0c57b9b567593c
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Plugin.Test/TreeNodeInfos/MacroStabilityInwardsFailureMechanismContextTreeNodeInfoTest.cs	(.../MacroStabilityInwardsFailureMechanismContextTreeNodeInfoTest.cs)	(revision b6d87cc418dc69bee464649b636e85b538d0852e)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.Plugin.Test/TreeNodeInfos/MacroStabilityInwardsFailureMechanismContextTreeNodeInfoTest.cs	(.../MacroStabilityInwardsFailureMechanismContextTreeNodeInfoTest.cs)	(revision 62e47f0904c38e013615cd2c5b0c57b9b567593c)
@@ -186,7 +186,7 @@
 
                 failureMechanismAssemblyCategoriesContext.GetFailureMechanismSectionAssemblyCategoriesFunc();
                 MacroStabilityInwardsProbabilityAssessmentInput probabilityAssessmentInput = failureMechanism.MacroStabilityInwardsProbabilityAssessmentInput;
-                Assert.AreEqual(probabilityAssessmentInput.GetN(probabilityAssessmentInput.SectionLength), calculator.AssemblyCategoriesInput.N);
+                Assert.AreEqual(probabilityAssessmentInput.GetN(assessmentSection.ReferenceLine.Length), calculator.AssemblyCategoriesInput.N);
             }
 
             var failureMechanismScenariosContext = (MacroStabilityInwardsScenariosContext) outputsFolder.Contents.ElementAt(1);