Index: Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionBoundaryCalculationService.cs
===================================================================
diff -u -re2892835ceb1c916be9a9122ba372858f20b981a -r76e7f2d96ecaa823b6ef4f63bd5faef63886a0d5
--- Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionBoundaryCalculationService.cs	(.../DuneErosionBoundaryCalculationService.cs)	(revision e2892835ceb1c916be9a9122ba372858f20b981a)
+++ Ringtoets/DuneErosion/src/Ringtoets.DuneErosion.Service/DuneErosionBoundaryCalculationService.cs	(.../DuneErosionBoundaryCalculationService.cs)	(revision 76e7f2d96ecaa823b6ef4f63bd5faef63886a0d5)
@@ -60,7 +60,8 @@
 
             CalculationServiceHelper.LogValidationBegin();
 
-            string databaseFilePathValidationProblem = HydraulicBoundaryDatabaseHelper.ValidatePathForCalculation(hydraulicBoundaryDatabaseFilePath);
+            string databaseFilePathValidationProblem = HydraulicBoundaryDatabaseHelper.ValidatePathForCalculation(hydraulicBoundaryDatabaseFilePath,
+                                                                                                                  preprocessorDirectory);
             if (!string.IsNullOrEmpty(databaseFilePathValidationProblem))
             {
                 CalculationServiceHelper.LogMessagesAsError(RingtoetsCommonServiceResources.Hydraulic_boundary_database_connection_failed_0_,