Index: Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineImporter.cs
===================================================================
diff -u -rf62076c7d8b6a65856fbab6a1b34b4234aa319e5 -r3d84064b23186da3fb11f19ff0d07f41e1209bbb
--- Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineImporter.cs	(.../ReferenceLineImporter.cs)	(revision f62076c7d8b6a65856fbab6a1b34b4234aa319e5)
+++ Ringtoets/Common/src/Ringtoets.Common.IO/ReferenceLineImporter.cs	(.../ReferenceLineImporter.cs)	(revision 3d84064b23186da3fb11f19ff0d07f41e1209bbb)
@@ -121,9 +121,12 @@
             return true;
         }
 
-        protected override IEnumerable<IObservable> GetAffectedNonTargetObservableInstances()
+        protected override IEnumerable<IObservable> AffectedNonTargetObservableInstances
         {
-            return changedObservables;
+            get
+            {
+                return changedObservables;
+            }
         }
 
         private bool ConfirmImportOfReferenceLineToClearReferenceLineDependentData(IAssessmentSection assessmentSection)