Index: Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs
===================================================================
diff -u -r6083bde7bac43e93de59f788d4c95f0620dbb779 -rb2841ec8a6fc64308b1ede3988aeddc479a749a0
--- Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs	(.../GrassCoverErosionInwardsPlugin.cs)	(revision 6083bde7bac43e93de59f788d4c95f0620dbb779)
+++ Ringtoets/GrassCoverErosionInwards/src/Ringtoets.GrassCoverErosionInwards.Plugin/GrassCoverErosionInwardsPlugin.cs	(.../GrassCoverErosionInwardsPlugin.cs)	(revision b2841ec8a6fc64308b1ede3988aeddc479a749a0)
@@ -294,6 +294,14 @@
                                                                                  .AddPropertiesItem()
                                                                                  .Build()
             };
+
+            yield return new TreeNodeInfo<EmptyOvertoppingRateOutput>
+            {
+                Text = output => GrassCoverErosionInwardsFormsResources.OvertoppingRate_DisplayName,
+                Image = output => RingtoetsCommonFormsResources.GeneralOutputIcon,
+                ForeColor = output => Color.FromKnownColor(KnownColor.GrayText)
+            };
+
         }
 
         private void CalculateAll(GrassCoverErosionInwardsFailureMechanism failureMechanism, IEnumerable<GrassCoverErosionInwardsCalculation> calculations, IAssessmentSection assessmentSection)
@@ -939,6 +947,11 @@
                 childNodes.Add(new EmptyDikeHeightOutput());
             }
 
+            if (context.WrappedData.OvertoppingRateOutput == null)
+            {
+                childNodes.Add(new EmptyOvertoppingRateOutput());
+            }
+
             return childNodes.ToArray();
         }