Index: Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingPlugin.cs
===================================================================
diff -u -rc016f7af2a4afdc96fc19b8db86dc8d3559de023 -ra1f3f9aad8b2f6e3663a7ebd8915d0c4ed664501
--- Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingPlugin.cs	(.../PipingPlugin.cs)	(revision c016f7af2a4afdc96fc19b8db86dc8d3559de023)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingPlugin.cs	(.../PipingPlugin.cs)	(revision a1f3f9aad8b2f6e3663a7ebd8915d0c4ed664501)
@@ -69,7 +69,7 @@
         {
             yield return new PropertyInfo<PipingFailureMechanismContext, PipingFailureMechanismContextProperties>
             {
-                CreateInstance = context => new PipingFailureMechanismContextProperties(context, new FailureMechanismPropertyChangeHandler<IFailureMechanism>())
+                CreateInstance = context => new PipingFailureMechanismContextProperties(context, new FailureMechanismPropertyChangeHandler<PipingFailureMechanism>())
             };
             yield return new PropertyInfo<PipingInputContext, PipingInputContextProperties>();
             yield return new PropertyInfo<PipingOutputContext, PipingOutputContextProperties>();