Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Create/CalculationGroupCreateExtensions.cs
===================================================================
diff -u -r3fa8664290181eedfdcefbe87f32aa7539d748e3 -rbba617101367a21a38bf41ad520662058b9012af
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Create/CalculationGroupCreateExtensions.cs	(.../CalculationGroupCreateExtensions.cs)	(revision 3fa8664290181eedfdcefbe87f32aa7539d748e3)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Create/CalculationGroupCreateExtensions.cs	(.../CalculationGroupCreateExtensions.cs)	(revision bba617101367a21a38bf41ad520662058b9012af)
@@ -24,6 +24,7 @@
 using Application.Ringtoets.Storage.DbContext;
 
 using Ringtoets.Common.Data.Calculation;
+using Ringtoets.Piping.Data;
 
 namespace Application.Ringtoets.Storage.Create
 {
@@ -70,6 +71,11 @@
                 {
                     entity.CalculationGroupEntity1.Add(childGroup.Create(registry, i));
                 }
+                var childPipingCalculation = calculationBase as PipingCalculationScenario;
+                if (childPipingCalculation != null)
+                {
+                    entity.PipingCalculationEntities.Add(childPipingCalculation.Create(registry, i));
+                }
             }
         }
     }