Index: Riskeer/DuneErosion/src/Riskeer.DuneErosion.Service/DuneErosionDataSynchronizationService.cs
===================================================================
diff -u -r5583bf43259af8b324c8244bd8964b095ef702ea -ree1d321c5585506d023c28c9c8bb2a83b775b428
--- Riskeer/DuneErosion/src/Riskeer.DuneErosion.Service/DuneErosionDataSynchronizationService.cs	(.../DuneErosionDataSynchronizationService.cs)	(revision 5583bf43259af8b324c8244bd8964b095ef702ea)
+++ Riskeer/DuneErosion/src/Riskeer.DuneErosion.Service/DuneErosionDataSynchronizationService.cs	(.../DuneErosionDataSynchronizationService.cs)	(revision ee1d321c5585506d023c28c9c8bb2a83b775b428)
@@ -67,7 +67,7 @@
                 return;
             }
 
-            failureMechanism.SetDuneLocations(GetDuneLocationsToSet(hydraulicBoundaryLocations, readDuneLocations));
+            failureMechanism.SetDuneLocations(GetDuneLocationsToSet(hydraulicBoundaryLocations, readDuneLocations).ToList());
         }
 
         /// <summary>