Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.CalculatedInput/Converters/SoilProfileConverter.cs
===================================================================
diff -u -r1a3f904157a3f86e702ea8086bee67e780da7856 -r6ab882c018ec69dea0dee96fcf78c1f09a4f48c9
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.CalculatedInput/Converters/SoilProfileConverter.cs	(.../SoilProfileConverter.cs)	(revision 1a3f904157a3f86e702ea8086bee67e780da7856)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.CalculatedInput/Converters/SoilProfileConverter.cs	(.../SoilProfileConverter.cs)	(revision 6ab882c018ec69dea0dee96fcf78c1f09a4f48c9)
@@ -78,8 +78,8 @@
             return layers.Select(l =>
             {
                 IMacroStabilityInwardsSoilLayerData data = l.Data;
+
                 return new SoilLayer(RingToPoints(l.OuterRing),
-                                     l.Holes.Select(RingToPoints).ToArray(),
                                      new SoilLayer.ConstructionProperties
                                      {
                                          MaterialName = data.MaterialName,
@@ -95,7 +95,8 @@
                                          Pop = MacroStabilityInwardsSemiProbabilisticDesignVariableFactory.GetPop(data).GetDesignValue(),
                                          DilatancyType = DilatancyType.Zero,
                                          WaterPressureInterpolationModel = WaterPressureInterpolationModel.Automatic
-                                     });
+                                     },
+                                     ConvertLayers(l.NestedLayers));
             }).ToArray();
         }