Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneLocationCalculationActivity.cs
===================================================================
diff -u -rbd735eecbb5021f06d02f01c9ba7b53ef651ceb2 -r7f7abb21ec08d415362eddc7ac0d64c83d95897f
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneLocationCalculationActivity.cs	(.../DuneLocationCalculationActivity.cs)	(revision bd735eecbb5021f06d02f01c9ba7b53ef651ceb2)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneLocationCalculationActivity.cs	(.../DuneLocationCalculationActivity.cs)	(revision 7f7abb21ec08d415362eddc7ac0d64c83d95897f)
@@ -100,6 +100,7 @@
 
         protected override void OnFinish()
         {
+            duneLocationCalculation.DuneLocation.NotifyObservers();
             duneLocationCalculation.NotifyObservers();
         }
 
Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneLocationCalculationService.cs
===================================================================
diff -u -r886f53016571b5d7a65318c6e29d6da9385bbade -r7f7abb21ec08d415362eddc7ac0d64c83d95897f
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneLocationCalculationService.cs	(.../DuneLocationCalculationService.cs)	(revision 886f53016571b5d7a65318c6e29d6da9385bbade)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneLocationCalculationService.cs	(.../DuneLocationCalculationService.cs)	(revision 7f7abb21ec08d415362eddc7ac0d64c83d95897f)
@@ -90,8 +90,7 @@
         }
 
         /// <summary>
-        /// Performs the provided <see cref="DuneLocationCalculation"/>
-        /// and sets its output if the calculation is successful.
+        /// Performs the provided <see cref="DuneLocationCalculation"/> and sets its output if the calculation is successful.
         /// Error and status information is logged during the execution of the operation.
         /// </summary>
         /// <param name="duneLocationCalculation">The <see cref="DuneLocationCalculation"/> to perform.</param>
Index: Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneLocationCalculationActivityTest.cs
===================================================================
diff -u -rbd735eecbb5021f06d02f01c9ba7b53ef651ceb2 -r7f7abb21ec08d415362eddc7ac0d64c83d95897f
--- Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneLocationCalculationActivityTest.cs	(.../DuneLocationCalculationActivityTest.cs)	(revision bd735eecbb5021f06d02f01c9ba7b53ef651ceb2)
+++ Ringtoets/DuneErosion/test/Ringtoets.DuneErosion.Service.Test/DuneLocationCalculationActivityTest.cs	(.../DuneLocationCalculationActivityTest.cs)	(revision 7f7abb21ec08d415362eddc7ac0d64c83d95897f)
@@ -401,6 +401,7 @@
             var duneLocationCalculation = new DuneLocationCalculation(duneLocation);
 
             var locationObserver = mockRepository.StrictMock<IObserver>();
+            locationObserver.Expect(o => o.UpdateObserver());
             duneLocation.Attach(locationObserver);
 
             var calculationObserver = mockRepository.StrictMock<IObserver>();