Index: Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs
===================================================================
diff -u -re46bec50706f5ea1a7754bbaebfc892745d8604a -r20e9bfea15dfe132ee137283a9f24bc4c413ce4a
--- Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs	(.../HeightStructuresPlugin.cs)	(revision e46bec50706f5ea1a7754bbaebfc892745d8604a)
+++ Ringtoets/HeightStructures/src/Ringtoets.HeightStructures.Plugin/HeightStructuresPlugin.cs	(.../HeightStructuresPlugin.cs)	(revision 20e9bfea15dfe132ee137283a9f24bc4c413ce4a)
@@ -370,7 +370,7 @@
             {
                 new FailureMechanismSectionsContext(failureMechanism, assessmentSection),
                 new ForeshoreProfilesContext(failureMechanism.ForeshoreProfiles, failureMechanism, assessmentSection),
-                new HeightStructuresContext(failureMechanism.HeightStructuresCollection, failureMechanism, assessmentSection),
+                new HeightStructuresContext(failureMechanism.HeightStructures, failureMechanism, assessmentSection),
                 failureMechanism.InputComments
             };
         }
@@ -547,7 +547,7 @@
 
         private StrictContextMenuItem CreateGenerateHeightStructuresCalculationsItem(HeightStructuresCalculationGroupContext nodeData)
         {
-            StructureCollection<HeightStructure> heightStructures = nodeData.FailureMechanism.HeightStructuresCollection;
+            StructureCollection<HeightStructure> heightStructures = nodeData.FailureMechanism.HeightStructures;
             bool structuresAvailable = heightStructures.Any();
 
             string heightStructuresCalculationGroupContextToolTip = structuresAvailable
@@ -565,7 +565,7 @@
 
         private void ShowHeightStructuresSelectionDialog(HeightStructuresCalculationGroupContext nodeData)
         {
-            using (var dialog = new StructureSelectionDialog(Gui.MainWindow, nodeData.FailureMechanism.HeightStructuresCollection))
+            using (var dialog = new StructureSelectionDialog(Gui.MainWindow, nodeData.FailureMechanism.HeightStructures))
             {
                 dialog.ShowDialog();