Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapperTests.cs
===================================================================
diff -u -r6673 -r6688
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapperTests.cs	(.../MacroStabilityInwardsKernelWrapperTests.cs)	(revision 6673)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators.Tests/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapperTests.cs	(.../MacroStabilityInwardsKernelWrapperTests.cs)	(revision 6688)
@@ -51,14 +51,20 @@
     private readonly string inputXmlForDamEngine = Path.Combine(testFolder, "StabilityDesign1Dbased.xml");
 
     [Test]
-    [TestCase(0.8, true, false, PrepareResult.NotRelevant)]
+    [TestCase(0.8, true, false, PrepareResult.NoUplift)]
+    [TestCase(1.4, true, false, PrepareResult.NotRelevant, false)]
     [TestCase(1.4, true, true, PrepareResult.Successful)]
     [TestCase(1.2, false, false, PrepareResult.Failed)]
-    public void TestPrepare(double upliftCriterionStability, bool isInputValid, bool expectedIsUplift, PrepareResult expectedPrepareResult)
+    public void TestPrepare(double upliftCriterionStability, bool isInputValid, bool expectedIsUplift, 
+                            PrepareResult expectedPrepareResult, bool isStability = true)
     {
         // Setup
         DamKernelInput kernelInput = CreateDamKernelInputForTest(StabilityModelType.UpliftVan);
         kernelInput.Location.CurrentScenario.UpliftCriterionStability = upliftCriterionStability;
+        if (!isStability)
+        {
+            kernelInput.SubSoilScenario.SegmentFailureMechanismType = SegmentFailureMechanismType.Piping;
+        }
         var kernelWrapper = new MacroStabilityInwardsKernelWrapper
         {
             FailureMechanismParametersMStab = new FailureMechanismParametersMStab
Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs
===================================================================
diff -u -r6680 -r6688
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs	(.../MacroStabilityInwardsKernelWrapper.cs)	(revision 6680)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/MacroStabilityInwards/MacroStabilityInwardsKernelWrapper.cs	(.../MacroStabilityInwardsKernelWrapper.cs)	(revision 6688)
@@ -122,8 +122,7 @@
 
                 if (FailureMechanismParametersMStab.MStabParameters.Model == StabilityModelType.UpliftVan && !upliftSituation.IsUplift)
                 {
-                    //return PrepareResult.NoUplift;
-                    return PrepareResult.NotRelevant;
+                    return PrepareResult.NoUplift;
                 }
 
                 FailureMechanismParametersMStab.MStabParameters.Model = model;