Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs
===================================================================
diff -u -r567534be8c92740e5e2bd0782b80ef1910c9679e -r155f90720529de4c163cb3498ef10901e084c2f7
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs	(.../MacroStabilityInwardsFailureMechanism.cs)	(revision 567534be8c92740e5e2bd0782b80ef1910c9679e)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs	(.../MacroStabilityInwardsFailureMechanism.cs)	(revision 155f90720529de4c163cb3498ef10901e084c2f7)
@@ -42,7 +42,7 @@
         {
             MacroStabilityInwardsProbabilityAssessmentInput = new MacroStabilityInwardsProbabilityAssessmentInput();
             GeneralInput = new GeneralMacroStabilityInwardsInput();
-            SurfaceLines = new RingtoetsPipingSurfaceLineCollection();
+            SurfaceLines = new RingtoetsMacroStabilityInwardsSurfaceLineCollection();
             StochasticSoilModels = new StochasticSoilModelCollection();
             CalculationsGroup = new CalculationGroup(RingtoetsCommonDataResources.FailureMechanism_Calculations_DisplayName, false);
 
@@ -60,7 +60,7 @@
         /// <summary>
         /// Gets the available surface lines within the scope of the macro stability inwards failure mechanism.
         /// </summary>
-        public RingtoetsPipingSurfaceLineCollection SurfaceLines { get; }
+        public RingtoetsMacroStabilityInwardsSurfaceLineCollection SurfaceLines { get; }
 
         /// <summary>
         /// Gets the available stochastic soil models within the scope of the macro stability inwards failure mechanism.