Index: Ringtoets/Integration/src/Ringtoets.Integration.Service/Comparers/AssessmentSectionMergeComparer.cs
===================================================================
diff -u -r2a81f01756e227d5ce93717b21b87e8a5cd5fcbb -rb942a21a80b1cdbabecb2ca2981044e7cb037ebf
--- Ringtoets/Integration/src/Ringtoets.Integration.Service/Comparers/AssessmentSectionMergeComparer.cs	(.../AssessmentSectionMergeComparer.cs)	(revision 2a81f01756e227d5ce93717b21b87e8a5cd5fcbb)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Service/Comparers/AssessmentSectionMergeComparer.cs	(.../AssessmentSectionMergeComparer.cs)	(revision b942a21a80b1cdbabecb2ca2981044e7cb037ebf)
@@ -57,7 +57,7 @@
 
         private static bool AreReferenceLinesEquivalent(ReferenceLine referenceLine, ReferenceLine otherReferenceLine)
         {
-            if (referenceLine == null && otherReferenceLine == null)
+            if (!referenceLine.Points.Any() && !otherReferenceLine.Points.Any())
             {
                 return true;
             }