Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityCommonHelper.cs
===================================================================
diff -u -r5150 -r5157
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityCommonHelper.cs	(.../MacroStabilityCommonHelper.cs)	(revision 5150)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityCommon/MacroStabilityCommonHelper.cs	(.../MacroStabilityCommonHelper.cs)	(revision 5157)
@@ -67,14 +67,15 @@
         {
             case SoilProfileType.ProfileType1D:
                 CombineSoilProfile1DWithSurfaceLine(subSoilScenario, surfaceLine2, dikeEmbankmentSoil);
-                return subSoilScenario.SoilProfile2D;
                 break;
             case SoilProfileType.ProfileType2D:
-                return CombineSoilProfile2DWithSurfaceLine(subSoilScenario, surfaceLine2, dikeEmbankmentSoil);
+                CombineSoilProfile2DWithSurfaceLine(subSoilScenario, surfaceLine2, dikeEmbankmentSoil);
                 break;
             default:
                 throw new NotImplementedException();
         }
+
+        return subSoilScenario.SoilProfile2D;
     }
 
     /// <summary>
@@ -413,13 +414,12 @@
     /// <param name="surfaceLine2">The surfaceline.</param>
     /// <param name="dikeEmbankmentSoil">The dike embankment soil.</param>
     /// <exception cref="ArgumentNullException">Thrown when no SoilProfile2D is defined</exception>
-    private static SoilProfile2D CombineSoilProfile2DWithSurfaceLine(SoilGeometryProbability subSoilScenario, SurfaceLine2 surfaceLine2, 
+    private static void CombineSoilProfile2DWithSurfaceLine(SoilGeometryProbability subSoilScenario, SurfaceLine2 surfaceLine2, 
                                                             Soil dikeEmbankmentSoil)
     {
         ValidateForCombineSoilProfile2DWithSurfaceLine(subSoilScenario, surfaceLine2, dikeEmbankmentSoil);
         
-        return SoilProfile2DSurfaceLineHelper.CombineSurfaceLineWithSoilProfile2D(surfaceLine2.Geometry, subSoilScenario.SoilProfile2D, 
-                                                                                                        dikeEmbankmentSoil, 0);
+        subSoilScenario.SoilProfile2D = SoilProfile2DSurfaceLineHelper.CombineSurfaceLineWithSoilProfile2D(surfaceLine2.Geometry, subSoilScenario.SoilProfile2D, dikeEmbankmentSoil, 0);
     }
 
     private static void ValidateForCombineSoilProfile2DWithSurfaceLine(SoilGeometryProbability subSoilScenario, SurfaceLine2 surfaceLine2, Soil dikeEmbankmentSoil)