Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil.Test/TestHeightStructuresCalculationTest.cs
===================================================================
diff -u -rc3c2bba57ff003c569aefa73e42ac6122fcf5bfa -rab20c4eb4ca81bd3845d50210d2bdb301177af6a
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil.Test/TestHeightStructuresCalculationTest.cs	(.../TestHeightStructuresCalculationTest.cs)	(revision c3c2bba57ff003c569aefa73e42ac6122fcf5bfa)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil.Test/TestHeightStructuresCalculationTest.cs	(.../TestHeightStructuresCalculationTest.cs)	(revision ab20c4eb4ca81bd3845d50210d2bdb301177af6a)
@@ -20,6 +20,7 @@
 // All rights reserved.
 
 using NUnit.Framework;
+using Ringtoets.Common.Data.Structures;
 
 namespace Ringtoets.HeightStructures.Data.TestUtil.Test
 {
@@ -33,7 +34,7 @@
             var calculation = new TestHeightStructuresCalculation();
 
             // Assert
-            Assert.IsInstanceOf<HeightStructuresCalculation>(calculation);
+            Assert.IsInstanceOf<StructuresCalculation<HeightStructuresInput>>(calculation);
             Assert.AreEqual("Nieuwe berekening", calculation.Name);
             Assert.IsNotNull(calculation.InputParameters);
             Assert.IsNull(calculation.Comments);