Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsCalculationService.cs
===================================================================
diff -u -r3d9b418d483c122040e11a7e074d666c64e9d7b5 -r4f11123aadb507f2ae9093b614360ab1973edd6e
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsCalculationService.cs	(.../GrassCoverErosionInwardsCalculationService.cs)	(revision 3d9b418d483c122040e11a7e074d666c64e9d7b5)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Service/GrassCoverErosionInwardsCalculationService.cs	(.../GrassCoverErosionInwardsCalculationService.cs)	(revision 4f11123aadb507f2ae9093b614360ab1973edd6e)
@@ -127,7 +127,7 @@
 
         private static IEnumerable<HydraRingForelandPoint> ParseForeshore(GrassCoverErosionInwardsInput input)
         {
-            return input.ForeshoreGeometry.Select(c => new HydraRingForelandPoint(c.X, c.Y));
+            return input.UseForeshore ? input.ForeshoreGeometry.Select(c => new HydraRingForelandPoint(c.X, c.Y)) : new HydraRingForelandPoint[0];
         }
 
         private static IEnumerable<HydraRingRoughnessProfilePoint> ParseProfilePoints(RoughnessPoint[] roughnessProfilePoints)