Index: Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingPlugin.cs
===================================================================
diff -u -ra9ab2d906323a908ed5e7a245b5813380776961a -r5ad23eae9f87bb12cbf453126070e8967e32d7ad
--- Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingPlugin.cs	(.../PipingPlugin.cs)	(revision a9ab2d906323a908ed5e7a245b5813380776961a)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Plugin/PipingPlugin.cs	(.../PipingPlugin.cs)	(revision 5ad23eae9f87bb12cbf453126070e8967e32d7ad)
@@ -516,7 +516,7 @@
                       .Build();
         }
 
-        private StrictContextMenuItem CreateUpdateStochasticSoilModelsItem(StochasticSoilModelCollection soilModelCollection, PipingFailureMechanism failureMechanism)
+        private StrictContextMenuItem CreateUpdateStochasticSoilModelsItem(ObservableCollectionWithSourcePath<StochasticSoilModel> soilModelCollection, PipingFailureMechanism failureMechanism)
         {
             var enabled = soilModelCollection.SourcePath != null;
 
@@ -530,7 +530,7 @@
             };
         }
 
-        private void UpdateStochasticSoilModelFromKnownSourceFile(StochasticSoilModelCollection soilModelCollection, PipingFailureMechanism failureMechanism)
+        private void UpdateStochasticSoilModelFromKnownSourceFile(ObservableCollectionWithSourcePath<StochasticSoilModel> soilModelCollection, PipingFailureMechanism failureMechanism)
         {
             string updateFromPath = soilModelCollection.SourcePath;
             if (!File.Exists(updateFromPath))
@@ -565,7 +565,7 @@
             return null;
         }
 
-        private void RunUpdateStochasticSoilModel(StochasticSoilModelCollection soilModelCollection, PipingFailureMechanism failureMechanism, string sourceFilePath)
+        private void RunUpdateStochasticSoilModel(ObservableCollectionWithSourcePath<StochasticSoilModel> soilModelCollection, PipingFailureMechanism failureMechanism, string sourceFilePath)
         {
             var importer = new StochasticSoilModelImporter(soilModelCollection,
                                                            sourceFilePath,