Index: Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationActivityTest.cs
===================================================================
diff -u -rf109332b5185b4445e2f1b9386dc1fe4063ff20f -rbcd6928813d32119c3b5d8c5c4fa65455e5b4fb8
--- Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationActivityTest.cs	(.../PipingCalculationActivityTest.cs)	(revision f109332b5185b4445e2f1b9386dc1fe4063ff20f)
+++ Ringtoets/Piping/test/Ringtoets.Piping.Service.Test/PipingCalculationActivityTest.cs	(.../PipingCalculationActivityTest.cs)	(revision bcd6928813d32119c3b5d8c5c4fa65455e5b4fb8)
@@ -114,7 +114,8 @@
             var validPipingCalculation = PipingCalculationFactory.CreateCalculationWithValidInput();
             validPipingCalculation.Output = null;
 
-            var activity = new PipingCalculationActivity(validPipingCalculation, new PipingProbabilityAssessmentInput(), int.MinValue, double.NaN);
+            var norm = new Random(21).Next(100, 300000);
+            var activity = new PipingCalculationActivity(validPipingCalculation, new PipingProbabilityAssessmentInput(), norm, double.NaN);
             activity.Run();
 
             // Call