Index: Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationService.cs
===================================================================
diff -u -rcc34c73b516e679baeb7f211c5b90027531a8403 -r9d781268ca54cba6a02715876d34a775396407b5
--- Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationService.cs	(.../PipingCalculationService.cs)	(revision cc34c73b516e679baeb7f211c5b90027531a8403)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Service/PipingCalculationService.cs	(.../PipingCalculationService.cs)	(revision 9d781268ca54cba6a02715876d34a775396407b5)
@@ -263,6 +263,7 @@
                 PipingSemiProbabilisticDesignValueFactory.GetPhreaticLevelExit(inputParameters).GetDesignValue(),
                 inputParameters.CriticalHeaveGradient,
                 PipingSemiProbabilisticDesignValueFactory.GetThicknessCoverageLayer(inputParameters).GetDesignValue(),
+                PipingSemiProbabilisticDesignValueFactory.GetEffectiveThicknessCoverageLayer(inputParameters).GetDesignValue(),
                 inputParameters.SellmeijerModelFactor,
                 inputParameters.SellmeijerReductionFactor,
                 PipingSemiProbabilisticDesignValueFactory.GetSeepageLength(inputParameters).GetDesignValue(),