Index: Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs
===================================================================
diff -u -rc3641f1375abfabf1c8093037c0cccd3eb77d52a -r421cbbc8a7149960b5e6908bde1744c63e4d1169
--- Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs	(.../PipingFailureMechanism.cs)	(revision c3641f1375abfabf1c8093037c0cccd3eb77d52a)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Data/PipingFailureMechanism.cs	(.../PipingFailureMechanism.cs)	(revision 421cbbc8a7149960b5e6908bde1744c63e4d1169)
@@ -85,7 +85,7 @@
 
         public CalculationGroup CalculationsGroup { get; }
 
-        public ObservableList<PipingFailureMechanismSectionResult> SectionResults
+        public IObservableEnumerable<PipingFailureMechanismSectionResult> SectionResults
         {
             get
             {