Index: Riskeer/DuneErosion/src/Riskeer.DuneErosion.Service/DuneLocationCalculationActivityFactory.cs
===================================================================
diff -u -rfa6310af5581248e5deab623682b9c68473f1104 -rb11df9e1a3fb97597ccf61cbecb44af90409d625
--- Riskeer/DuneErosion/src/Riskeer.DuneErosion.Service/DuneLocationCalculationActivityFactory.cs	(.../DuneLocationCalculationActivityFactory.cs)	(revision fa6310af5581248e5deab623682b9c68473f1104)
+++ Riskeer/DuneErosion/src/Riskeer.DuneErosion.Service/DuneLocationCalculationActivityFactory.cs	(.../DuneLocationCalculationActivityFactory.cs)	(revision b11df9e1a3fb97597ccf61cbecb44af90409d625)
@@ -97,7 +97,8 @@
                                    .SelectMany(dlc => CreateCalculationActivities(dlc.DuneLocationCalculations,
                                                                                   assessmentSection,
                                                                                   dlc.TargetProbability,
-                                                                                  noProbabilityValueDoubleConverter.ConvertToString(dlc.TargetProbability)));
+                                                                                  noProbabilityValueDoubleConverter.ConvertToString(dlc.TargetProbability)))
+                                   .ToList();
         }
     }
 }
\ No newline at end of file
Index: Riskeer/Integration/src/Riskeer.Integration.Service/AssessmentSectionHydraulicBoundaryLocationCalculationActivityFactory.cs
===================================================================
diff -u -ra1246836188dc9e7c752531415362d6c14cc9978 -rb11df9e1a3fb97597ccf61cbecb44af90409d625
--- Riskeer/Integration/src/Riskeer.Integration.Service/AssessmentSectionHydraulicBoundaryLocationCalculationActivityFactory.cs	(.../AssessmentSectionHydraulicBoundaryLocationCalculationActivityFactory.cs)	(revision a1246836188dc9e7c752531415362d6c14cc9978)
+++ Riskeer/Integration/src/Riskeer.Integration.Service/AssessmentSectionHydraulicBoundaryLocationCalculationActivityFactory.cs	(.../AssessmentSectionHydraulicBoundaryLocationCalculationActivityFactory.cs)	(revision b11df9e1a3fb97597ccf61cbecb44af90409d625)
@@ -110,7 +110,8 @@
                                                     wlc.HydraulicBoundaryLocationCalculations,
                                                     assessmentSection,
                                                     wlc.TargetProbability,
-                                                    noProbabilityValueDoubleConverter.ConvertToString(wlc.TargetProbability)));
+                                                    noProbabilityValueDoubleConverter.ConvertToString(wlc.TargetProbability)))
+                                    .ToList();
         }
 
         /// <summary>
@@ -132,7 +133,8 @@
                                                     whc.HydraulicBoundaryLocationCalculations,
                                                     assessmentSection,
                                                     whc.TargetProbability,
-                                                    noProbabilityValueDoubleConverter.ConvertToString(whc.TargetProbability)));
+                                                    noProbabilityValueDoubleConverter.ConvertToString(whc.TargetProbability)))
+                                    .ToList();
         }
     }
 }
\ No newline at end of file