Index: Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs
===================================================================
diff -u -r8650820cbc2da7dcd34964bc92046fe66d14ec23 -r3d995a76fbe93cf9801596e6b959e7f5bcde5805
--- Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs	(.../PipingCalculationServiceTest.cs)	(revision 8650820cbc2da7dcd34964bc92046fe66d14ec23)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationServiceTest.cs	(.../PipingCalculationServiceTest.cs)	(revision 3d995a76fbe93cf9801596e6b959e7f5bcde5805)
@@ -138,7 +138,7 @@
             const string name = "<very nice name>";
 
             PipingCalculation calculation = PipingCalculationFactory.CreateCalculationWithValidInput();
-            calculation.InputParameters.HydraulicBoundaryLocation.DesignWaterLevel = double.NaN;
+            calculation.InputParameters.HydraulicBoundaryLocation.DesignWaterLevel = (RoundedDouble) double.NaN;
             calculation.Name = name;
 
             // Call