Index: Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/HeightStructures/HeightStructuresFailureMechanismSectionResultCreateExtensionsTest.cs
===================================================================
diff -u -r71fe781084e574382025cf04c2fbcb879c21c51d -r08ef678e503f67de771f08aa7ec42706fc484fc7
--- Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/HeightStructures/HeightStructuresFailureMechanismSectionResultCreateExtensionsTest.cs	(.../HeightStructuresFailureMechanismSectionResultCreateExtensionsTest.cs)	(revision 71fe781084e574382025cf04c2fbcb879c21c51d)
+++ Application/Ringtoets/test/Application.Ringtoets.Storage.Test/Create/HeightStructures/HeightStructuresFailureMechanismSectionResultCreateExtensionsTest.cs	(.../HeightStructuresFailureMechanismSectionResultCreateExtensionsTest.cs)	(revision 08ef678e503f67de771f08aa7ec42706fc484fc7)
@@ -56,7 +56,8 @@
             TestDelegate test = () => sectionResult.Create(null);
 
             // Assert
-            Assert.Throws<ArgumentNullException>(test);
+            var exception = Assert.Throws<ArgumentNullException>(test);
+            Assert.AreEqual("registry", exception.ParamName);
         }
 
         [Test]