Index: Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsCalculationServiceBase.cs
===================================================================
diff -u -re2892835ceb1c916be9a9122ba372858f20b981a -r76e7f2d96ecaa823b6ef4f63bd5faef63886a0d5
--- Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsCalculationServiceBase.cs	(.../WaveConditionsCalculationServiceBase.cs)	(revision e2892835ceb1c916be9a9122ba372858f20b981a)
+++ Ringtoets/Revetment/src/Ringtoets.Revetment.Service/WaveConditionsCalculationServiceBase.cs	(.../WaveConditionsCalculationServiceBase.cs)	(revision 76e7f2d96ecaa823b6ef4f63bd5faef63886a0d5)
@@ -205,7 +205,8 @@
         {
             var validationResults = new List<string>();
 
-            string databaseFilePathValidationProblem = HydraulicBoundaryDatabaseHelper.ValidatePathForCalculation(hydraulicBoundaryDatabaseFilePath);
+            string databaseFilePathValidationProblem = HydraulicBoundaryDatabaseHelper.ValidatePathForCalculation(hydraulicBoundaryDatabaseFilePath,
+                                                                                                                  preprocessorDirectory);
             if (!string.IsNullOrEmpty(databaseFilePathValidationProblem))
             {
                 validationResults.Add(databaseFilePathValidationProblem);