Index: Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs
===================================================================
diff -u -r40ab5f9e9cdd69b66f67b1f2fdd1b503aecc24e8 -rcf55284bcecdef7b9ef6cbd0d5a00c27870e4f85
--- Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs	(.../RingtoetsDataSynchronizationService.cs)	(revision 40ab5f9e9cdd69b66f67b1f2fdd1b503aecc24e8)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Service/RingtoetsDataSynchronizationService.cs	(.../RingtoetsDataSynchronizationService.cs)	(revision cf55284bcecdef7b9ef6cbd0d5a00c27870e4f85)
@@ -224,12 +224,12 @@
             var affectedObjects = new List<IObservable>();
             affectedObjects.AddRange(ClearHydraulicBoundaryLocationOutputOfFailureMechanisms(assessmentSection));
 
-            IEnumerable<IObservable> affectedHydraulicBoundaryLocations =
+            IEnumerable<IObservable> affectedClearedObjects =
                 RingtoetsCommonDataSynchronizationService.ClearHydraulicBoundaryLocationOutput(hydraulicBoundaryDatabase.Locations);
-            if (affectedHydraulicBoundaryLocations.Any())
+            affectedObjects.AddRange(affectedClearedObjects);
+            if (affectedClearedObjects.OfType<HydraulicBoundaryLocation>().Any())
             {
                 affectedObjects.Add(hydraulicBoundaryDatabase);
-                affectedObjects.AddRange(affectedHydraulicBoundaryLocations);
             }
 
             return affectedObjects.ToArray();