Index: Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationService.cs
===================================================================
diff -u -r9a6b8bd8e680c7b847ad548bad1c5a8c2d33b143 -r229e44429357ad3f0ecf3a17b579a5351acb49b0
--- Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationService.cs	(.../DesignWaterLevelCalculationService.cs)	(revision 9a6b8bd8e680c7b847ad548bad1c5a8c2d33b143)
+++ Ringtoets/Common/src/Ringtoets.Common.Service/DesignWaterLevelCalculationService.cs	(.../DesignWaterLevelCalculationService.cs)	(revision 229e44429357ad3f0ecf3a17b579a5351acb49b0)
@@ -105,7 +105,7 @@
 
             CalculationServiceHelper.LogCalculationBegin();
 
-            calculator = HydraRingCalculatorFactory.Instance.CreateDesignWaterLevelCalculator(hlcdDirectory);
+            calculator = HydraRingCalculatorFactory.Instance.CreateDesignWaterLevelCalculator(hlcdDirectory, string.Empty);
 
             var exceptionThrown = false;