Index: Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationActivity.cs
===================================================================
diff -u -recf136a787efcd5d3f171f8aee8930f84a89e80a -rb2b9fdf365e70928a05c57966eeed30d9050e528
--- Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationActivity.cs	(.../PipingCalculationActivity.cs)	(revision ecf136a787efcd5d3f171f8aee8930f84a89e80a)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationActivity.cs	(.../PipingCalculationActivity.cs)	(revision b2b9fdf365e70928a05c57966eeed30d9050e528)
@@ -51,11 +51,11 @@
         {
             if (calculation == null)
             {
-                throw new ArgumentNullException("calculation");
+                throw new ArgumentNullException(nameof(calculation));
             }
             if (pipingProbabilityAssessmentInput == null)
             {
-                throw new ArgumentNullException("pipingProbabilityAssessmentInput");
+                throw new ArgumentNullException(nameof(pipingProbabilityAssessmentInput));
             }
 
             this.calculation = calculation;