Index: Ringtoets/Common/src/Ringtoets.Common.Service/WaveHeightCalculationActivity.cs
===================================================================
diff -u -r73d7f318e9a02087ac21dde7d3728d8eac27a9f5 -r16cb360eae0014270ebb6700054afdbbd565ae65
--- Ringtoets/Common/src/Ringtoets.Common.Service/WaveHeightCalculationActivity.cs	(.../WaveHeightCalculationActivity.cs)	(revision 73d7f318e9a02087ac21dde7d3728d8eac27a9f5)
+++ Ringtoets/Common/src/Ringtoets.Common.Service/WaveHeightCalculationActivity.cs	(.../WaveHeightCalculationActivity.cs)	(revision 16cb360eae0014270ebb6700054afdbbd565ae65)
@@ -78,7 +78,7 @@
 
         protected override bool Validate()
         {
-            return calculationService.Validate(
+            return WaveHeightCalculationService.Validate(
                 hydraulicBoundaryLocation.Name,
                 hydraulicBoundaryDatabaseFilePath,
                 messageProvider);