Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsSoilProfileUnderSurfaceLine.cs
===================================================================
diff -u -r90a9502badff5788374461a1b2179a5dd0e866a2 -r7585d2fd78627d94d55ffa16423af90a91e4efd4
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsSoilProfileUnderSurfaceLine.cs	(.../MacroStabilityInwardsSoilProfileUnderSurfaceLine.cs)	(revision 90a9502badff5788374461a1b2179a5dd0e866a2)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/SoilProfile/MacroStabilityInwardsSoilProfileUnderSurfaceLine.cs	(.../MacroStabilityInwardsSoilProfileUnderSurfaceLine.cs)	(revision 7585d2fd78627d94d55ffa16423af90a91e4efd4)
@@ -36,7 +36,7 @@
         /// <param name="layers">The layers in the profile.</param>
         /// <param name="preconsolidationStresses">The preconsolidation stresses defined for the profile.</param>
         /// <exception cref="ArgumentNullException">Thrown when any parameter is <c>null</c>.</exception>
-        public MacroStabilityInwardsSoilProfileUnderSurfaceLine(IEnumerable<IMacroStabilityInwardsSoilLayerUnderSurfaceLine> layers,
+        public MacroStabilityInwardsSoilProfileUnderSurfaceLine(IEnumerable<IMacroStabilityInwardsSoilLayer2D> layers,
                                                                 IEnumerable<IMacroStabilityInwardsPreconsolidationStress> preconsolidationStresses)
         {
             if (layers == null)
@@ -50,9 +50,9 @@
             Layers = layers;
             PreconsolidationStresses = preconsolidationStresses;
         }
-        
-        public IEnumerable<IMacroStabilityInwardsSoilLayerUnderSurfaceLine> Layers { get; }
 
+        public IEnumerable<IMacroStabilityInwardsSoilLayer2D> Layers { get; }
+
         public IEnumerable<IMacroStabilityInwardsPreconsolidationStress> PreconsolidationStresses { get; }
     }
 }
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