Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil.Test/TestHeightStructuresCalculationTest.cs
===================================================================
diff -u -rab20c4eb4ca81bd3845d50210d2bdb301177af6a -r0fc840682ffcce4fc1074e7d6687e90cab58bd2b
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil.Test/TestHeightStructuresCalculationTest.cs	(.../TestHeightStructuresCalculationTest.cs)	(revision ab20c4eb4ca81bd3845d50210d2bdb301177af6a)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil.Test/TestHeightStructuresCalculationTest.cs	(.../TestHeightStructuresCalculationTest.cs)	(revision 0fc840682ffcce4fc1074e7d6687e90cab58bd2b)
@@ -40,6 +40,7 @@
             Assert.IsNull(calculation.Comments);
             Assert.IsFalse(calculation.HasOutput);
 
+            Assert.IsNotNull(calculation.InputParameters.Structure);
             Assert.AreEqual(2, calculation.InputParameters.LevelCrestStructure.Mean.NumberOfDecimalPlaces);
             Assert.AreEqual(5.74, calculation.InputParameters.LevelCrestStructure.Mean.Value);
             Assert.AreEqual(2, calculation.InputParameters.StructureNormalOrientation.NumberOfDecimalPlaces);