Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs
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diff -u -r43b4218e6e71896eb4f3985555258caeb4c7f6f7 -r0320ab3a413cb6a55e3f615d8c62706a48121588
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs	(.../MacroStabilityInwardsFailureMechanism.cs)	(revision 43b4218e6e71896eb4f3985555258caeb4c7f6f7)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Data/MacroStabilityInwardsFailureMechanism.cs	(.../MacroStabilityInwardsFailureMechanism.cs)	(revision 0320ab3a413cb6a55e3f615d8c62706a48121588)
@@ -33,7 +33,7 @@
     /// </summary>
     public class MacroStabilityInwardsFailureMechanism : FailureMechanismBase, ICalculatableFailureMechanism, IHasSectionResults<MacroStabilityInwardsFailureMechanismSectionResult>
     {
-        private readonly IList<MacroStabilityInwardsFailureMechanismSectionResult> sectionResults;
+        private readonly List<MacroStabilityInwardsFailureMechanismSectionResult> sectionResults;
 
         /// <summary>
         /// Initializes a new instance of the <see cref="MacroStabilityInwardsFailureMechanism"/> class.