Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Merge/AssessmentSectionMergeHandler.cs
===================================================================
diff -u -r9b5d6d80dc634b79b2f24cd3ed1ce9de366f9fac -r840f6ddca0edcb0e0effd1567df7291367d339cb
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Merge/AssessmentSectionMergeHandler.cs	(.../AssessmentSectionMergeHandler.cs)	(revision 9b5d6d80dc634b79b2f24cd3ed1ce9de366f9fac)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Merge/AssessmentSectionMergeHandler.cs	(.../AssessmentSectionMergeHandler.cs)	(revision 840f6ddca0edcb0e0effd1567df7291367d339cb)
@@ -31,10 +31,10 @@
 using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Data.Hydraulics;
 using Ringtoets.Common.Data.Structures;
+using Ringtoets.DuneErosion.Data;
 using Ringtoets.GrassCoverErosionInwards.Data;
 using Ringtoets.GrassCoverErosionOutwards.Data;
 using Ringtoets.HeightStructures.Data;
-using Ringtoets.HydraRing.Calculation.Data.Input.WaveConditions;
 using Ringtoets.Integration.Data;
 using Ringtoets.Integration.Data.StandAlone;
 using Ringtoets.Integration.Plugin.Properties;
@@ -303,6 +303,13 @@
                     continue;
                 }
 
+                if (TryMergeFailureMechanism<DuneErosionFailureMechanism>(
+                    targetAssessmentSection, failureMechanism,
+                    (section, mechanism) => section.DuneErosion = mechanism))
+                {
+                    continue;
+                }
+
                 TryMergeFailureMechanism<TechnicalInnovationFailureMechanism>(
                     targetAssessmentSection, failureMechanism,
                     (section, mechanism) => section.TechnicalInnovation = mechanism);