Index: dam engine/trunk/src/Deltares.DamEngine.Calculators/General/DamProjectCalculator.cs
===================================================================
diff -u -r586 -r595
--- dam engine/trunk/src/Deltares.DamEngine.Calculators/General/DamProjectCalculator.cs	(.../DamProjectCalculator.cs)	(revision 586)
+++ dam engine/trunk/src/Deltares.DamEngine.Calculators/General/DamProjectCalculator.cs	(.../DamProjectCalculator.cs)	(revision 595)
@@ -576,7 +576,7 @@
                     try
                     {
                         SurfaceLine2 surfaceLineWithNewHeight = DamFailureMechanismeCalculator.RedesignSurfaceLineHeight(FailureMechanismSystemType.StabilityInside, scenario,
-                                                                                                                         scenario.Location.LocalXZSurfaceLine2);
+                                                                                                                         scenario.Location.SurfaceLine);
                         // for scenarios the uplift should be calculated with the redesigned height, else a problem may occur with the waterlevel above the dike
                         var upliftSituation = new UpliftSituation();
                         PLLines plLines = CreateAllPLLines(out upliftSituation, scenario.RiverLevel,