Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsScenariosView.cs
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diff -u -r033de4aa9bfa1a67de0bb628427fa75ab96a9184 -rb23612b7fdc45eb275697f50a94756386d3c2c39
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsScenariosView.cs	(.../GrassCoverErosionInwardsScenariosView.cs)	(revision 033de4aa9bfa1a67de0bb628427fa75ab96a9184)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Forms/Views/GrassCoverErosionInwardsScenariosView.cs	(.../GrassCoverErosionInwardsScenariosView.cs)	(revision b23612b7fdc45eb275697f50a94756386d3c2c39)
@@ -129,7 +129,7 @@
                 ICalculation[] calculations = data.GetCalculations().ToArray();
 
                 Dictionary<string, IList<ICalculation>> calculationsPerSegment =
-                    GrassCoverErosionInwardsHelper.CollectCalculationsPerSection(failureMechanism.Sections, calculations.OfType<GrassCoverErosionInwardsCalculation>());
+                    GrassCoverErosionInwardsHelper.CollectCalculationsPerSection(failureMechanism.Sections, calculations.Cast<GrassCoverErosionInwardsCalculation>());
 
                 List<GrassCoverErosionInwardsScenarioRow> scenarioRows =
                     failureMechanism.SectionResults.Select(sectionResult => new GrassCoverErosionInwardsScenarioRow(sectionResult)).ToList();