Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsGuiPlugin.cs
===================================================================
diff -u -r5c044a6799b45bec77af170dca0a84bc434c5f6f -rbe35a7226351969e98f08dec755809139ce5f081
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsGuiPlugin.cs	(.../RingtoetsGuiPlugin.cs)	(revision 5c044a6799b45bec77af170dca0a84bc434c5f6f)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/RingtoetsGuiPlugin.cs	(.../RingtoetsGuiPlugin.cs)	(revision be35a7226351969e98f08dec755809139ce5f081)
@@ -31,7 +31,9 @@
         public override IEnumerable<ITreeNodePresenter> GetProjectTreeViewNodePresenters()
         {
             yield return new AssessmentSectionBaseNodePresenter();
+            yield return new FailureMechanismNodePresenter();
             yield return new PlaceholderWithReadonlyNameNodePresenter();
+            yield return new CategoryTreeFolderNodePresenter();
         }
     }
 }
\ No newline at end of file