Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsInput.cs
===================================================================
diff -u -rd77bf27adb60cd7f4ad18ddb184e836f0fc45265 -rba00ac482d95f158a6f51caec7b0de3d1e1ecc4c
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsInput.cs	(.../GrassCoverErosionInwardsInput.cs)	(revision d77bf27adb60cd7f4ad18ddb184e836f0fc45265)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsInput.cs	(.../GrassCoverErosionInwardsInput.cs)	(revision ba00ac482d95f158a6f51caec7b0de3d1e1ecc4c)
@@ -184,7 +184,7 @@
             else
             {
                 Orientation = dikeProfile.Orientation;
-                UseForeshore = dikeProfile.ForeshoreGeometry.Length > 1;
+                UseForeshore = dikeProfile.ForeshoreGeometry.Count() > 1;
                 UseBreakWater = dikeProfile.HasBreakWater;
                 BreakWater = dikeProfile.HasBreakWater
                                  ? new BreakWater(dikeProfile.BreakWater.Type, dikeProfile.BreakWater.Height)