Index: Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs
===================================================================
diff -u -r927a3e30dcd41d99bda5f1b5a4f15790c3821037 -rbdec5d5f5020b22d57dd30050a776b79c034ad6f
--- Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision 927a3e30dcd41d99bda5f1b5a4f15790c3821037)
+++ Ringtoets/WaveImpactAsphaltCover/src/Ringtoets.WaveImpactAsphaltCover.Plugin/WaveImpactAsphaltCoverPlugin.cs	(.../WaveImpactAsphaltCoverPlugin.cs)	(revision bdec5d5f5020b22d57dd30050a776b79c034ad6f)
@@ -500,7 +500,7 @@
         {
             foreach (WaveImpactAsphaltCoverWaveConditionsCalculation calculation in calculations)
             {
-                WaveImpactAsphaltCoverWaveConditionsCalculationService.Validate(calculation, database.FilePath);
+                WaveImpactAsphaltCoverWaveConditionsCalculationService.Validate(calculation, database.FilePath, database.EffectivePreprocessorDirectory());
             }
         }
 
@@ -602,7 +602,9 @@
 
         private static void Validate(WaveImpactAsphaltCoverWaveConditionsCalculationContext context)
         {
-            WaveImpactAsphaltCoverWaveConditionsCalculationService.Validate(context.WrappedData, context.AssessmentSection.HydraulicBoundaryDatabase.FilePath);
+            WaveImpactAsphaltCoverWaveConditionsCalculationService.Validate(context.WrappedData,
+                                                                            context.AssessmentSection.HydraulicBoundaryDatabase.FilePath,
+                                                                            context.AssessmentSection.HydraulicBoundaryDatabase.EffectivePreprocessorDirectory());
         }
 
         private void PerformCalculation(WaveImpactAsphaltCoverWaveConditionsCalculation calculation,