Index: Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs
===================================================================
diff -u -r15cde3d4678f9a7371c2ee94e45387c941f03934 -r66db4dc6f9be25c489134e00b039bf6b902a0ae7
--- Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs	(.../AssessmentSection.cs)	(revision 15cde3d4678f9a7371c2ee94e45387c941f03934)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Data/AssessmentSection.cs	(.../AssessmentSection.cs)	(revision 66db4dc6f9be25c489134e00b039bf6b902a0ae7)
@@ -556,7 +556,7 @@
 
         public AssessmentSectionComposition Composition { get; private set; }
 
-        public ReferenceLine ReferenceLine { get; set; }
+        public ReferenceLine ReferenceLine { get; }
 
         public FailureMechanismContribution FailureMechanismContribution { get; }