Index: Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs
===================================================================
diff -u -r5f8541d2a46730d67fc2d859caa6de2921bbc820 -rc016f7af2a4afdc96fc19b8db86dc8d3559de023
--- Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs	(.../ClosingStructuresPlugin.cs)	(revision 5f8541d2a46730d67fc2d859caa6de2921bbc820)
+++ Ringtoets/ClosingStructures/src/Ringtoets.ClosingStructures.Plugin/ClosingStructuresPlugin.cs	(.../ClosingStructuresPlugin.cs)	(revision c016f7af2a4afdc96fc19b8db86dc8d3559de023)
@@ -37,6 +37,7 @@
 using Ringtoets.ClosingStructures.Service;
 using Ringtoets.Common.Data.AssessmentSection;
 using Ringtoets.Common.Data.Calculation;
+using Ringtoets.Common.Data.FailureMechanism;
 using Ringtoets.Common.Data.Probability;
 using Ringtoets.Common.Data.Structures;
 using Ringtoets.Common.Forms;
@@ -62,7 +63,7 @@
             {
                 CreateInstance = context => new ClosingStructuresFailureMechanismProperties(
                     context.WrappedData,
-                    new FailureMechanismPropertyChangeHandler())
+                    new FailureMechanismPropertyChangeHandler<IFailureMechanism>())
             };
             yield return new PropertyInfo<ClosingStructure, ClosingStructureProperties>();
             yield return new PropertyInfo<ClosingStructuresInputContext, ClosingStructuresInputContextProperties>();