Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsScenariosView.cs
===================================================================
diff -u -r650fc7b43cb6729baee51d079f0377df8d7a3de9 -r5906f61fff270a7526253bea07dfecdf680898ed
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsScenariosView.cs	(.../MacroStabilityInwardsScenariosView.cs)	(revision 650fc7b43cb6729baee51d079f0377df8d7a3de9)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsScenariosView.cs	(.../MacroStabilityInwardsScenariosView.cs)	(revision 5906f61fff270a7526253bea07dfecdf680898ed)
@@ -57,9 +57,9 @@
             failureMechanismObserver = new Observer(OnFailureMechanismUpdate);
 
             // The concat is needed to observe the input of calculations in child groups.
-            inputObserver = new RecursiveObserver<CalculationGroup, MacroStabilityInwardsInput>(UpdateDataGridViewDataSource, pcg => pcg.Children.Concat<object>(pcg.Children.OfType<MacroStabilityInwardsCalculationScenario>().Select(pc => pc.InputParameters)));
-            calculationGroupObserver = new RecursiveObserver<CalculationGroup, CalculationGroup>(UpdateDataGridViewDataSource, pcg => pcg.Children);
-            calculationObserver = new RecursiveObserver<CalculationGroup, MacroStabilityInwardsCalculationScenario>(dataGridViewControl.RefreshDataGridView, pcg => pcg.Children);
+            inputObserver = new RecursiveObserver<CalculationGroup, MacroStabilityInwardsInput>(UpdateDataGridViewDataSource, cg => cg.Children.Concat<object>(cg.Children.OfType<MacroStabilityInwardsCalculationScenario>().Select(pc => pc.InputParameters)));
+            calculationGroupObserver = new RecursiveObserver<CalculationGroup, CalculationGroup>(UpdateDataGridViewDataSource, cg => cg.Children);
+            calculationObserver = new RecursiveObserver<CalculationGroup, MacroStabilityInwardsCalculationScenario>(dataGridViewControl.RefreshDataGridView, cg => cg.Children);
         }
 
         /// <summary>