Index: Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs
===================================================================
diff -u -r8e0924d08a2377125c21114d088b6091bf1eb5fc -r53b4fe836de90fe00a2662874c10cdb71b2595a7
--- Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision 8e0924d08a2377125c21114d088b6091bf1eb5fc)
+++ Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision 53b4fe836de90fe00a2662874c10cdb71b2595a7)
@@ -360,17 +360,17 @@
 
                 if (dialog.SelectedItems.Any())
                 {
-                    GenerateWaveImpactAsphaltCoverWaveConditionsCalculations(nodeData.WrappedData, dialog.SelectedItems);
+                    GenerateWaveImpactAsphaltCoverWaveConditionsCalculations(dialog.SelectedItems, nodeData.WrappedData.Children);
                     nodeData.NotifyObservers();
                 }
             }
         }
 
-        private static void GenerateWaveImpactAsphaltCoverWaveConditionsCalculations(CalculationGroup target, IEnumerable<HydraulicBoundaryLocation> hydraulicBoundaryLocations)
+        private static void GenerateWaveImpactAsphaltCoverWaveConditionsCalculations(IEnumerable<HydraulicBoundaryLocation> hydraulicBoundaryLocations, IList<ICalculationBase> calculationCollection)
         {
             WaveImpactAsphaltCoverWaveConditionsCalculationConfigurationHelper.AddCalculationsFromLocations(
                 hydraulicBoundaryLocations,
-                target.Children);
+                calculationCollection);
         }
 
         private void AddWaveConditionsCalculation(WaveImpactAsphaltCoverWaveConditionsCalculationGroupContext nodeData)