Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/PipingCalculationConfigurationHelper.cs
===================================================================
diff -u -r915d8a66e5d294a18f9452775406e36a3f8fbdc0 -r887b289acf19a81f62d78f371ab70c3f82812b95
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/PipingCalculationConfigurationHelper.cs	(.../PipingCalculationConfigurationHelper.cs)	(revision 915d8a66e5d294a18f9452775406e36a3f8fbdc0)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/PipingCalculationConfigurationHelper.cs	(.../PipingCalculationConfigurationHelper.cs)	(revision 887b289acf19a81f62d78f371ab70c3f82812b95)
@@ -25,6 +25,7 @@
 using Core.Common.Base.Data;
 using Core.Common.Base.Geometry;
 using log4net;
+using Ringtoets.Common.Data;
 using Ringtoets.Common.Data.Calculation;
 using Ringtoets.Common.Forms.Helpers;
 using Ringtoets.Piping.Data;
@@ -81,7 +82,7 @@
             foreach (var surfaceLine in surfaceLines)
             {
                 var group = CreateCalculationGroup(surfaceLine, soilModels, generalInput, semiProbabilisticInput);
-                if (group.GetPipingCalculations().Any())
+                if (group.GetCalculations().Any())
                 {
                     groups.Add(group);
                 }