Index: Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/SubMechanismIllustrationPoint.cs
===================================================================
diff -u -r94611541948becebbd1f6c9a96a0f68e5e5c13db -r90c8c7af20b188d787a29c8e5fcd03823009f209
--- Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/SubMechanismIllustrationPoint.cs	(.../SubMechanismIllustrationPoint.cs)	(revision 94611541948becebbd1f6c9a96a0f68e5e5c13db)
+++ Ringtoets/Common/src/Ringtoets.Common.Data/IllustrationPoints/SubMechanismIllustrationPoint.cs	(.../SubMechanismIllustrationPoint.cs)	(revision 90c8c7af20b188d787a29c8e5fcd03823009f209)
@@ -77,8 +77,8 @@
         {
             var clone = (SubMechanismIllustrationPoint) base.Clone();
 
-            clone.Stochasts = Stochasts.Select(s => (SubMechanismIllustrationPointStochast) s.Clone());
-            clone.IllustrationPointResults = IllustrationPointResults.Select(r => (IllustrationPointResult) r.Clone());
+            clone.Stochasts = Stochasts.Select(s => (SubMechanismIllustrationPointStochast) s.Clone()).ToArray();
+            clone.IllustrationPointResults = IllustrationPointResults.Select(r => (IllustrationPointResult) r.Clone()).ToArray();
 
             return clone;
         }