Index: Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs
===================================================================
diff -u -r2eef3f9d62c90adc922b6e38da1eb77924330311 -r8a2cbeb8a9c5b0c8d5062af1a2a825d2b9134bf3
--- Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs	(.../InputParameterCalculationServiceTest.cs)	(revision 2eef3f9d62c90adc922b6e38da1eb77924330311)
+++ Ringtoets/Piping/test/Ringtoets.Piping.InputParameterCalculation.Test/InputParameterCalculationServiceTest.cs	(.../InputParameterCalculationServiceTest.cs)	(revision 8a2cbeb8a9c5b0c8d5062af1a2a825d2b9134bf3)
@@ -84,7 +84,7 @@
 
             var stochasticSoilProfile = new StochasticSoilProfile(0.0, SoilProfileType.SoilProfile1D, 0)
             {
-                SoilProfile = new PipingSoilProfile(String.Empty, 0, new[]
+                SoilProfile = new PipingSoilProfile(string.Empty, 0, new[]
                 {
                     new PipingSoilLayer(5)
                     {
@@ -135,7 +135,7 @@
                 PipingSemiProbabilisticDesignValueFactory.GetPhreaticLevelExit(input).GetDesignValue());
 
             // Assert
-            Assert.IsFalse(Double.IsNaN(result));
+            Assert.IsFalse(double.IsNaN(result));
         }
 
         [Test]