Index: Riskeer/Integration/src/Riskeer.Integration.Plugin/Handlers/HydraulicBoundaryDataUpdateHandler.cs
===================================================================
diff -u -rb397945a3931595a6d3286520f6e4e4298552ab7 -rca3ef7d7ff02eea0107238c5b8875922e181cce0
--- Riskeer/Integration/src/Riskeer.Integration.Plugin/Handlers/HydraulicBoundaryDataUpdateHandler.cs	(.../HydraulicBoundaryDataUpdateHandler.cs)	(revision b397945a3931595a6d3286520f6e4e4298552ab7)
+++ Riskeer/Integration/src/Riskeer.Integration.Plugin/Handlers/HydraulicBoundaryDataUpdateHandler.cs	(.../HydraulicBoundaryDataUpdateHandler.cs)	(revision ca3ef7d7ff02eea0107238c5b8875922e181cce0)
@@ -95,12 +95,19 @@
                 throw new ArgumentNullException(nameof(hrdFilePath));
             }
 
-            var changedObjects = new List<IObservable>();
+            var changedObjects = new List<IObservable>
+            {
+                hydraulicBoundaryData.HydraulicBoundaryDatabases
+            };
 
-            
-            
-            hydraulicBoundaryData.FilePath = hrdFilePath;
-            hydraulicBoundaryData.Version = readHydraulicBoundaryDatabase.Version;
+            hydraulicBoundaryData.HydraulicBoundaryDatabases.Add(new HydraulicBoundaryDatabase
+            {
+                FilePath = hrdFilePath,
+                Version = readHydraulicBoundaryDatabase.Version,
+                UsePreprocessorClosure = readHydraulicLocationConfigurationDatabase.ReadTracks
+                                                                                   .FirstOrDefault(rt => rt.TrackId == readHydraulicBoundaryDatabase.TrackId)?
+                                                                                   .UsePreprocessorClosure ?? false
+            });
 
             SetLocations(hydraulicBoundaryData, readHydraulicBoundaryDatabase.Locations,
                          readHydraulicLocationConfigurationDatabase.ReadHydraulicLocations.Where(rhl => rhl.TrackId == readHydraulicBoundaryDatabase.TrackId),