Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsOutputChartControl.cs
===================================================================
diff -u -r08931196fdb0fb89686fb714a2738bf5c99a3539 -rabf2f273264573981b5f66ab24beeb3234297682
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsOutputChartControl.cs	(.../MacroStabilityInwardsOutputChartControl.cs)	(revision 08931196fdb0fb89686fb714a2738bf5c99a3539)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsOutputChartControl.cs	(.../MacroStabilityInwardsOutputChartControl.cs)	(revision abf2f273264573981b5f66ab24beeb3234297682)
@@ -22,6 +22,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using System.Windows.Forms;
+using Core.Common.Base.Data;
 using Core.Common.Base.Geometry;
 using Core.Common.Util.Extensions;
 using Core.Components.Chart.Data;
@@ -278,7 +279,7 @@
                 SetSoilProfileChartData();
             }
 
-            SetWaternetExtremeChartData(DerivedMacroStabilityInwardsInput.GetWaternetExtreme(input));
+            SetWaternetExtremeChartData(DerivedMacroStabilityInwardsInput.GetWaternetExtreme(input, RoundedDouble.NaN));
             SetWaternetDailyChartData(DerivedMacroStabilityInwardsInput.GetWaternetDaily(input));
 
             if (data.Output != null)