Index: Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil/TestHeightStructuresCalculation.cs
===================================================================
diff -u -r589d56ba6dc9217ff4b68ea15df5a513576a25d1 -rab20c4eb4ca81bd3845d50210d2bdb301177af6a
--- Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil/TestHeightStructuresCalculation.cs	(.../TestHeightStructuresCalculation.cs)	(revision 589d56ba6dc9217ff4b68ea15df5a513576a25d1)
+++ Ringtoets/HeightStructures/test/Ringtoets.HeightStructures.Data.TestUtil/TestHeightStructuresCalculation.cs	(.../TestHeightStructuresCalculation.cs)	(revision ab20c4eb4ca81bd3845d50210d2bdb301177af6a)
@@ -20,10 +20,11 @@
 // All rights reserved.
 
 using Core.Common.Base.Data;
+using Ringtoets.Common.Data.Structures;
 
 namespace Ringtoets.HeightStructures.Data.TestUtil
 {
-    public class TestHeightStructuresCalculation : HeightStructuresCalculation
+    public class TestHeightStructuresCalculation : StructuresCalculation<HeightStructuresInput>
     {
         public TestHeightStructuresCalculation()
         {