Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/StructuresCalculationCreateExtensions.cs
===================================================================
diff -u -rd641f7a03b05f5d7e48f9adeffabafdcb48e1c14 -rd3c511b25782c606f9c71158ba5cf5cf5315d6ea
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/StructuresCalculationCreateExtensions.cs	(.../StructuresCalculationCreateExtensions.cs)	(revision d641f7a03b05f5d7e48f9adeffabafdcb48e1c14)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/StructuresCalculationCreateExtensions.cs	(.../StructuresCalculationCreateExtensions.cs)	(revision d3c511b25782c606f9c71158ba5cf5cf5315d6ea)
@@ -65,7 +65,7 @@
             entityToUpdate.UseForeshore = Convert.ToByte(input.UseForeshore);
 
             entityToUpdate.UseBreakWater = Convert.ToByte(input.UseBreakWater);
-            entityToUpdate.BreakWaterType = Convert.ToInt16(input.BreakWater.Type);
+            entityToUpdate.BreakWaterType = Convert.ToByte(input.BreakWater.Type);
             entityToUpdate.BreakWaterHeight = input.BreakWater.Height.Value.ToNaNAsNull();
 
             entityToUpdate.AllowedLevelIncreaseStorageMean = input.AllowedLevelIncreaseStorage.Mean.Value.ToNaNAsNull();