Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionDataSynchronizationService.cs
===================================================================
diff -u -rc60e4a04488fbe3a60d9c2c67c8a687093100775 -r52eba23e512aa44f6d93c0041f22bf5934a8df12
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionDataSynchronizationService.cs	(.../DuneErosionDataSynchronizationService.cs)	(revision c60e4a04488fbe3a60d9c2c67c8a687093100775)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionDataSynchronizationService.cs	(.../DuneErosionDataSynchronizationService.cs)	(revision 52eba23e512aa44f6d93c0041f22bf5934a8df12)
@@ -27,6 +27,7 @@
 using Ringtoets.Common.Data.Hydraulics;
 using Ringtoets.DuneErosion.Data;
 using Ringtoets.DuneErosion.IO;
+using DuneErosionDataResources = Ringtoets.DuneErosion.Data.Properties.Resources;
 
 namespace Ringtoets.DuneErosion.Service
 {
@@ -69,9 +70,14 @@
 
             foreach (ReadDuneLocation duneLocation in duneLocations)
             {
+                string duneLocationOffset = duneLocation.Offset.ToString(DuneErosionDataResources.DuneLocation_Offset_format, null);
+
                 foreach (var hydraulicBoundaryLocation in hydraulicBoundaryLocations)
                 {
-                    if (Math2D.AreEqualPoints(hydraulicBoundaryLocation.Location, duneLocation.Location))
+                    string offsetFromLocationName = hydraulicBoundaryLocation.Name.Split('_').Last();
+
+                    if (Math2D.AreEqualPoints(hydraulicBoundaryLocation.Location, duneLocation.Location)
+                        && offsetFromLocationName == duneLocationOffset)
                     {
                         failureMechanism.DuneLocations.Add(new DuneLocation(hydraulicBoundaryLocation.Id,
                                                                             duneLocation.Name,