Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsCalculation.cs
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diff -u -rd337718251f4330d447d555eb1c70df226dd9823 -r6df492af2166d167f1a154b7997c85a4118b1759
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsCalculation.cs	(.../GrassCoverErosionInwardsCalculation.cs)	(revision d337718251f4330d447d555eb1c70df226dd9823)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Data/GrassCoverErosionInwardsCalculation.cs	(.../GrassCoverErosionInwardsCalculation.cs)	(revision 6df492af2166d167f1a154b7997c85a4118b1759)
@@ -29,7 +29,7 @@
     /// <summary>
     /// This class holds information about a calculation for the <see cref="GrassCoverErosionInwardsFailureMechanism"/>.
     /// </summary>
-    public class GrassCoverErosionInwardsCalculation : CloneableObservable, ICalculation
+    public class GrassCoverErosionInwardsCalculation : CloneableObservable, ICalculation<GrassCoverErosionInwardsInput>
     {
         /// <summary>
         /// Creates a new instance of <see cref="GrassCoverErosionInwardsCalculation"/>.