Index: Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Forms/WaveImpactAsphaltCoverWaveConditionsCalculationConfigurationHelper.cs
===================================================================
diff -u -r861bcd1d9466ea7a592bf5fbc75595728e9dcee1 -rc53adcb46d3af4cb0b9b228adf0dc456927a0e32
--- Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Forms/WaveImpactAsphaltCoverWaveConditionsCalculationConfigurationHelper.cs	(.../WaveImpactAsphaltCoverWaveConditionsCalculationConfigurationHelper.cs)	(revision 861bcd1d9466ea7a592bf5fbc75595728e9dcee1)
+++ Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Forms/WaveImpactAsphaltCoverWaveConditionsCalculationConfigurationHelper.cs	(.../WaveImpactAsphaltCoverWaveConditionsCalculationConfigurationHelper.cs)	(revision c53adcb46d3af4cb0b9b228adf0dc456927a0e32)
@@ -22,7 +22,6 @@
 using System;
 using System.Collections.Generic;
 using System.ComponentModel;
-using System.Linq;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Data.Contribution;
 using Ringtoets.Common.Data.Hydraulics;
@@ -62,9 +61,12 @@
                 throw new ArgumentNullException(nameof(calculations));
             }
 
-            calculations.AddRange(locations.Select(location => CreateWaveImpactAsphaltCoverWaveConditionsCalculation(location,
-                                                                                                                     calculations,
-                                                                                                                     normType)).ToArray());
+            foreach (HydraulicBoundaryLocation hydraulicBoundaryLocation in locations)
+            {
+                calculations.Add(CreateWaveImpactAsphaltCoverWaveConditionsCalculation(hydraulicBoundaryLocation,
+                                                                                       calculations,
+                                                                                       normType));
+            }
         }
 
         /// <summary>