Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/DerivedPipingInput.cs
===================================================================
diff -u -rc33fbb6a840ef596c665774b609f82b948f3b512 -r35db69dfe64b7e7deeaf9ef85d4df42ff6009b11
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/DerivedPipingInput.cs	(.../DerivedPipingInput.cs)	(revision c33fbb6a840ef596c665774b609f82b948f3b512)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/DerivedPipingInput.cs	(.../DerivedPipingInput.cs)	(revision 35db69dfe64b7e7deeaf9ef85d4df42ff6009b11)
@@ -134,7 +134,7 @@
                 StochasticSoilProfile stochasticSoilProfile = input.StochasticSoilProfile;
 
                 RingtoetsPipingSurfaceLine surfaceLine = input.SurfaceLine;
-                double exitPointL = input.ExitPointL;
+                RoundedDouble exitPointL = input.ExitPointL;
 
                 if (stochasticSoilProfile != null && stochasticSoilProfile.SoilProfile != null && surfaceLine != null && !double.IsNaN(exitPointL))
                 {
@@ -162,7 +162,7 @@
             }
         }
 
-        private static double GetThicknessTopAquiferLayer(PipingSoilProfile soilProfile, RingtoetsPipingSurfaceLine surfaceLine, double exitPointL)
+        private static double GetThicknessTopAquiferLayer(PipingSoilProfile soilProfile, RingtoetsPipingSurfaceLine surfaceLine, RoundedDouble exitPointL)
         {
             try
             {