Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/GrassCoverErosionInwards/DikeProfileEntityReadExtensions.cs
===================================================================
diff -u -raf81664b5c0cb1af94c61530adbb6cd24fd5229f -rc2bf0666539fa1a781c6d5d633ac292fa4fe2bd4
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/GrassCoverErosionInwards/DikeProfileEntityReadExtensions.cs	(.../DikeProfileEntityReadExtensions.cs)	(revision af81664b5c0cb1af94c61530adbb6cd24fd5229f)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/GrassCoverErosionInwards/DikeProfileEntityReadExtensions.cs	(.../DikeProfileEntityReadExtensions.cs)	(revision c2bf0666539fa1a781c6d5d633ac292fa4fe2bd4)
@@ -20,12 +20,9 @@
 // All rights reserved.
 
 using System;
-
 using Application.Ringtoets.Storage.DbContext;
 using Application.Ringtoets.Storage.Serializers;
-
 using Core.Common.Base.Geometry;
-
 using Ringtoets.GrassCoverErosionInwards.Data;
 
 namespace Application.Ringtoets.Storage.Read.GrassCoverErosionInwards
@@ -81,11 +78,11 @@
 
         private static BreakWater CreateBreakWater(DikeProfileEntity entity)
         {
-            if (entity.BreakWaterType == null)
+            if (entity.BreakWaterType == null || entity.BreakWaterHeight == null)
             {
                 return null;
             }
-            return new BreakWater((BreakWaterType)entity.BreakWaterType, entity.BreakWaterHeight.Value);
+            return new BreakWater((BreakWaterType) entity.BreakWaterType, entity.BreakWaterHeight.Value);
         }
     }
 }
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