Index: Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs
===================================================================
diff -u -r6ced2c3bd4adaef7cf2363ba75a84911b09c3924 -ra1bba29ba0d84061cca88da8324957087d564db9
--- Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs	(.../StructuresClosureLowSillCalculationInputTest.cs)	(revision 6ced2c3bd4adaef7cf2363ba75a84911b09c3924)
+++ Ringtoets/HydraRing/test/Ringtoets.HydraRing.Calculation.Test/Data/Input/Structures/StructuresClosureLowSillCalculationInputTest.cs	(.../StructuresClosureLowSillCalculationInputTest.cs)	(revision a1bba29ba0d84061cca88da8324957087d564db9)
@@ -37,7 +37,7 @@
         {
             // Setup
             const int hydraulicBoundaryLocationId = 1000;
-            var forelandPoints = Enumerable.Empty<HydraRingForelandPoint>();
+            IEnumerable<HydraRingForelandPoint> forelandPoints = Enumerable.Empty<HydraRingForelandPoint>();
             var breakWater = new HydraRingBreakWater(1, 1.1);
 
             const double sectionNormal = 31.1;