Index: Ringtoets/Common/src/Ringtoets.Common.Data/MechanismSurfaceLineBase.cs
===================================================================
diff -u -r569a286badd9b3494f5465cc2767a8cf6a77f618 -r00da0d2f72214f140bceff0eaae5f14172c587de
--- Ringtoets/Common/src/Ringtoets.Common.Data/MechanismSurfaceLineBase.cs	(.../MechanismSurfaceLineBase.cs)	(revision 569a286badd9b3494f5465cc2767a8cf6a77f618)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/MechanismSurfaceLineBase.cs	(.../MechanismSurfaceLineBase.cs)	(revision 00da0d2f72214f140bceff0eaae5f14172c587de)
@@ -109,7 +109,7 @@
                 EndingWorldPoint = Points[Points.Length - 1];
             }
 
-            LocalGeometry = new RoundedPoint2DCollection(numberOfDecimalPlaces, Points.ProjectToLz().ToArray());
+            LocalGeometry = new RoundedPoint2DCollection(numberOfDecimalPlaces, Points.ProjectToLZ().ToArray());
         }
 
         /// <summary>