Index: Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs
===================================================================
diff -u -r8bb6e849266ec28412ebfe23beccd7235c4db9bf -rc0532d07766ecad2566f7cfa4a97a9aeb6e8540c
--- Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs)	(revision 8bb6e849266ec28412ebfe23beccd7235c4db9bf)
+++ Ringtoets/GrassCoverErosionOutwards/src/Ringtoets.GrassCoverErosionOutwards.Forms/GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs	(.../GrassCoverErosionOutwardsFailureMechanismPropertyChangeHandler.cs)	(revision c0532d07766ecad2566f7cfa4a97a9aeb6e8540c)
@@ -46,7 +46,7 @@
         protected override bool RequiresConfirmation(GrassCoverErosionOutwardsFailureMechanism failureMechanism)
         {
             return base.RequiresConfirmation(failureMechanism) ||
-                   failureMechanism.HydraulicBoundaryLocations.Any(c => c.WaveHeightCalculation.HasOutput || c.DesignWaterLevelCalculation.HasOutput);
+                   failureMechanism.HydraulicBoundaryLocations.Any(c => c.WaveHeightCalculation1.HasOutput || c.DesignWaterLevelCalculation1.HasOutput);
         }
 
         protected override IEnumerable<IObservable> PropertyChanged(GrassCoverErosionOutwardsFailureMechanism failureMechanism)