Index: Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationService.cs
===================================================================
diff -u -rcb71d3ea0115af786731df2c36d9f0681e5b6d2c -r3b5e1adef92f7ce3cf8d896ec310e9203f0e8d7d
--- Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationService.cs	(.../DesignWaterLevelCalculationService.cs)	(revision cb71d3ea0115af786731df2c36d9f0681e5b6d2c)
+++ Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationService.cs	(.../DesignWaterLevelCalculationService.cs)	(revision 3b5e1adef92f7ce3cf8d896ec310e9203f0e8d7d)
@@ -105,7 +105,7 @@
 
             CalculationServiceHelper.LogCalculationBegin();
 
-            calculator = HydraRingCalculatorFactory.Instance.CreateDesignWaterLevelCalculator(hlcdDirectory);
+            calculator = HydraRingCalculatorFactory.Instance.CreateDesignWaterLevelCalculator(hlcdDirectory, string.Empty);
 
             var exceptionThrown = false;