Index: Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilProfileTest.cs
===================================================================
diff -u -r76aba900dac58a4328145a2946b774ebd4a37aa5 -rec201316303aa676976655dcdfd9285dcc3ec4f1
--- Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilProfileTest.cs	(.../StochasticSoilProfileTest.cs)	(revision 76aba900dac58a4328145a2946b774ebd4a37aa5)
+++ Ringtoets/Common/test/Ringtoets.Common.IO.Test/SoilProfile/StochasticSoilProfileTest.cs	(.../StochasticSoilProfileTest.cs)	(revision ec201316303aa676976655dcdfd9285dcc3ec4f1)
@@ -60,7 +60,8 @@
         [TestCase(1)]
         [TestCase(-0.51)]
         [TestCase(0.51)]
-        public void AddProbability_ProbabilityToAddResultsInInvalidProbability_ThrowsArgumentOutOfrangeException(double probabilityToAdd)
+        [TestCase(double.NaN)]
+        public void AddProbability_ProbabilityToAddResultsInInvalidProbability_ThrowsArgumentOutOfRangeException(double probabilityToAdd)
         {
             // Setup
             const double probability = 0.5;