Index: Application/Ringtoets/src/Application.Ringtoets.Storage/Read/AssessmentSectionEntityReadExtensions.cs
===================================================================
diff -u -rdcc94dbcc481ef9f6f83308b82096f85f9cb6f01 -rf8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e
--- Application/Ringtoets/src/Application.Ringtoets.Storage/Read/AssessmentSectionEntityReadExtensions.cs	(.../AssessmentSectionEntityReadExtensions.cs)	(revision dcc94dbcc481ef9f6f83308b82096f85f9cb6f01)
+++ Application/Ringtoets/src/Application.Ringtoets.Storage/Read/AssessmentSectionEntityReadExtensions.cs	(.../AssessmentSectionEntityReadExtensions.cs)	(revision f8c28b3b04cdabb62ea37772efcb1f4ebbbf2b9e)
@@ -122,12 +122,19 @@
         {
             if (entity.HydraulicDatabaseLocation != null)
             {
-                assessmentSection.HydraulicBoundaryDatabase = new HydraulicBoundaryDatabase
-                {
-                    FilePath = entity.HydraulicDatabaseLocation,
-                    Version = entity.HydraulicDatabaseVersion
-                };
+                HydraRingPreprocessorEntity preprocessorEntity = entity.HydraRingPreprocessorEntities.FirstOrDefault();
 
+                HydraulicBoundaryDatabase hydraulicBoundaryDatabase = preprocessorEntity != null
+                                                                          ? new HydraulicBoundaryDatabase(
+                                                                              Convert.ToBoolean(preprocessorEntity.UsePreprocessor),
+                                                                              preprocessorEntity.PreprocessorDirectory)
+                                                                          : new HydraulicBoundaryDatabase();
+
+                hydraulicBoundaryDatabase.FilePath = entity.HydraulicDatabaseLocation;
+                hydraulicBoundaryDatabase.Version = entity.HydraulicDatabaseVersion;
+
+                assessmentSection.HydraulicBoundaryDatabase = hydraulicBoundaryDatabase;
+
                 foreach (HydraulicLocationEntity hydraulicLocationEntity in entity.HydraulicLocationEntities.OrderBy(hl => hl.Order))
                 {
                     assessmentSection.HydraulicBoundaryDatabase.Locations.Add(hydraulicLocationEntity.Read(collector));