Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/PropertyClasses/PipingInputContextProperties.cs
===================================================================
diff -u -rcda9bb0707f49cfb8e685d3ec04da01240c73f26 -r0faea705e7f83205f8420c52edda8a5473485bcd
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/PropertyClasses/PipingInputContextProperties.cs	(.../PipingInputContextProperties.cs)	(revision cda9bb0707f49cfb8e685d3ec04da01240c73f26)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/PropertyClasses/PipingInputContextProperties.cs	(.../PipingInputContextProperties.cs)	(revision 0faea705e7f83205f8420c52edda8a5473485bcd)
@@ -171,6 +171,7 @@
                 if (!ReferenceEquals(value, data.WrappedData.SurfaceLine))
                 {
                     data.WrappedData.SurfaceLine = value;
+                    data.WrappedData.StochasticSoilModel = null;
                     data.WrappedData.StochasticSoilProfile = null;
                     data.WrappedData.NotifyObservers();
                 }