Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs
===================================================================
diff -u -r01e3465b06b53d4447b01d3a9b6befe59a42a292 -re5c91cd69bfa9341f55b6fe46da5aaf23c4d64e4
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs	(.../MacroStabilityInwardsInputView.cs)	(revision 01e3465b06b53d4447b01d3a9b6befe59a42a292)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Forms/Views/MacroStabilityInwardsInputView.cs	(.../MacroStabilityInwardsInputView.cs)	(revision e5c91cd69bfa9341f55b6fe46da5aaf23c4d64e4)
@@ -225,8 +225,8 @@
 
             foreach (MacroStabilityInwardsWaternetLine waternetLine in waternet.WaternetLines)
             {
-                ChartAreaData waternetLineChartData = MacroStabilityInwardsChartDataFactory.CreateWaternetZoneChartData(waternetLine.Name);
-                waternetLineChartData.Points = MacroStabilityInwardsChartDataPointsFactory.CreateWaternetZonePoints(waternetLine, surfaceLine);
+                ChartMultipleAreaData waternetLineChartData = MacroStabilityInwardsChartDataFactory.CreateWaternetZoneChartData(waternetLine.Name);
+                waternetLineChartData.Areas = MacroStabilityInwardsChartDataPointsFactory.CreateWaternetZonePoints(waternetLine, surfaceLine);
                 chartData.Add(waternetLineChartData);
             }
         }