Index: DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/UpliftHelper.cs
===================================================================
diff -u -r5627 -r5628
--- DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/UpliftHelper.cs	(.../UpliftHelper.cs)	(revision 5627)
+++ DamEngine/trunk/src/Deltares.DamEngine.Calculators/KernelWrappers/Common/UpliftHelper.cs	(.../UpliftHelper.cs)	(revision 5628)
@@ -102,7 +102,7 @@
             XSoilGeometry2DOrigin = location.XSoilGeometry2DOrigin
         };
         UpliftLocationAndResult upliftLocationAndResult = upliftLocationDeterminator.GetLocationWithLowestUpliftFactor();
-        xCoordLowestUpliftFactor = upliftLocationAndResult.X;
+        xCoordLowestUpliftFactor = upliftLocationAndResult?.X ?? surfaceLine.CharacteristicPoints.GetGeometryPoint(CharacteristicPointType.DikeToeAtPolder).X;
         return upliftLocationAndResult?.UpliftFactor;
     }
 }
\ No newline at end of file