Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs
===================================================================
diff -u -r5cdaf6a62202805aa0abe5636e372a66b1bec723 -rd9d73504c1a89a402f970481b473e36c89cf0ae7
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs	(.../HeightStructuresCalculationService.cs)	(revision 5cdaf6a62202805aa0abe5636e372a66b1bec723)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Service/HeightStructuresCalculationService.cs	(.../HeightStructuresCalculationService.cs)	(revision d9d73504c1a89a402f970481b473e36c89cf0ae7)
@@ -106,6 +106,8 @@
             return new StructuresOvertoppingCalculationInput(
                 calculation.InputParameters.HydraulicBoundaryLocation.Id,
                 new HydraRingSection(1, failureMechanismSection.GetSectionLength(), calculation.InputParameters.OrientationOfTheNormalOfTheStructure),
+                new HydraRingForelandPoint[0],
+                null,
                 generalInput.GravitationalAcceleration,
                 generalInput.ModelFactorOvertoppingFlow.Mean, generalInput.ModelFactorOvertoppingFlow.StandardDeviation,
                 calculation.InputParameters.LevelOfCrestOfStructure.Mean, calculation.InputParameters.LevelOfCrestOfStructure.StandardDeviation,