Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/Waternet/WaternetExtremeKernelWrapper.cs
===================================================================
diff -u -r68a02d15ccf82acbd454053bdc972e083af866be -r621dfcbd9664fff26da2d0083dc711f950b3a9c1
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/Waternet/WaternetExtremeKernelWrapper.cs	(.../WaternetExtremeKernelWrapper.cs)	(revision 68a02d15ccf82acbd454053bdc972e083af866be)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/Waternet/WaternetExtremeKernelWrapper.cs	(.../WaternetExtremeKernelWrapper.cs)	(revision 621dfcbd9664fff26da2d0083dc711f950b3a9c1)
@@ -19,6 +19,7 @@
 // Stichting Deltares and remain full property of Stichting Deltares at all times.
 // All rights reserved.
 
+using Deltares.WTIStability;
 using Deltares.WTIStability.Calculation.Wrapper;
 
 namespace Ringtoets.MacroStabilityInwards.KernelWrapper.Kernels.Waternet
@@ -29,5 +30,12 @@
     /// </summary>
     internal class WaternetExtremeKernelWrapper : WaternetKernelWrapper
     {
+        public override StabilityLocation Location
+        {
+            set
+            {
+                StabilityModel.Location = value;
+            }
+        }
     }
 }
\ No newline at end of file
Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/Waternet/WaternetKernelWrapper.cs
===================================================================
diff -u -r68a02d15ccf82acbd454053bdc972e083af866be -r621dfcbd9664fff26da2d0083dc711f950b3a9c1
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/Waternet/WaternetKernelWrapper.cs	(.../WaternetKernelWrapper.cs)	(revision 68a02d15ccf82acbd454053bdc972e083af866be)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.KernelWrapper/Kernels/Waternet/WaternetKernelWrapper.cs	(.../WaternetKernelWrapper.cs)	(revision 621dfcbd9664fff26da2d0083dc711f950b3a9c1)
@@ -34,25 +34,19 @@
     /// <summary>
     /// Class that wraps <see cref="WTIStabilityCalculation"/> for performing a Waternet calculation.
     /// </summary>
-    internal class WaternetKernelWrapper : IWaternetKernel
+    internal abstract class WaternetKernelWrapper : IWaternetKernel
     {
         private readonly StabilityModel stabilityModel;
 
         /// <summary>
         /// Creates a new instance of <see cref="WaternetKernelWrapper"/>.
         /// </summary>
-        public WaternetKernelWrapper()
+        protected WaternetKernelWrapper()
         {
             stabilityModel = new StabilityModel();
         }
 
-        public virtual StabilityLocation Location
-        {
-            set
-            {
-                stabilityModel.Location = value;
-            }
-        }
+        public abstract StabilityLocation Location { set; }
 
         public SoilModel SoilModel
         {
Index: Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.KernelWrapper.Test/Kernels/Waternet/WaternetKernelWrapperTest.cs
===================================================================
diff -u -re2978d1198c3af45bda6e6ec14e26561fc992d71 -r621dfcbd9664fff26da2d0083dc711f950b3a9c1
--- Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.KernelWrapper.Test/Kernels/Waternet/WaternetKernelWrapperTest.cs	(.../WaternetKernelWrapperTest.cs)	(revision e2978d1198c3af45bda6e6ec14e26561fc992d71)
+++ Ringtoets/MacroStabilityInwards/test/Ringtoets.MacroStabilityInwards.KernelWrapper.Test/Kernels/Waternet/WaternetKernelWrapperTest.cs	(.../WaternetKernelWrapperTest.cs)	(revision 621dfcbd9664fff26da2d0083dc711f950b3a9c1)
@@ -34,7 +34,7 @@
         public void Constructor_ExpectedValues()
         {
             // Call
-            var kernel = new WaternetKernelWrapper();
+            var kernel = new TestWaternetKernelWrapper();
 
             // Assert
             Assert.IsInstanceOf<IWaternetKernel>(kernel);
@@ -50,7 +50,7 @@
             var surfaceLine = new SurfaceLine2();
 
             // Call
-            var kernel = new WaternetKernelWrapper
+            var kernel = new TestWaternetKernelWrapper
             {
                 Location = stabilityLocation,
                 SoilModel = soilModel,
@@ -74,7 +74,7 @@
         public void Calculate_ExceptionInWrappedKernel_ThrowsWaternetKernelWrapperException()
         {
             // Setup
-            var kernel = new WaternetKernelWrapper();
+            var kernel = new TestWaternetKernelWrapper();
 
             // Call
             TestDelegate test = () => kernel.Calculate();
@@ -89,7 +89,7 @@
         public void Calculate_ExceptionDuringCalculation_OutputPropertiesNotSet()
         {
             // Setup
-            var kernel = new WaternetKernelWrapper();
+            var kernel = new TestWaternetKernelWrapper();
 
             // Call
             TestDelegate test = () => kernel.Calculate();
@@ -138,7 +138,7 @@
                 OuterLoop = loop
             };
             var soil = new Soil();
-            return new WaternetKernelWrapper
+            return new TestWaternetKernelWrapper
             {
                 SurfaceLine = new SurfaceLine2(),
                 Location = new StabilityLocation(),
@@ -224,5 +224,16 @@
             Assert.IsNotNull(stabilityModel.GeotechnicsData);
             Assert.AreSame(soilProfile2D.Geometry, stabilityModel.GeotechnicsData.Geometry);
         }
+
+        private class TestWaternetKernelWrapper : WaternetKernelWrapper
+        {
+            public override StabilityLocation Location
+            {
+                set
+                {
+                    StabilityModel.Location = value;
+                }
+            }
+        }
     }
 }
\ No newline at end of file