Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationExporter.cs
===================================================================
diff -u -r30761b3bfd1c77faaf2c0508396b90639850ac4b -ra4016e43171575322fa28bdeed3cc6713f767011
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationExporter.cs	(.../MacroStabilityInwardsCalculationConfigurationExporter.cs)	(revision 30761b3bfd1c77faaf2c0508396b90639850ac4b)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.IO/Configurations/MacroStabilityInwardsCalculationConfigurationExporter.cs	(.../MacroStabilityInwardsCalculationConfigurationExporter.cs)	(revision a4016e43171575322fa28bdeed3cc6713f767011)
@@ -64,6 +64,9 @@
                 SlipPlaneMinimumDepth = input.SlipPlaneMinimumDepth,
                 SlipPlaneMinimumLength = input.SlipPlaneMinimumLength,
                 MaximumSliceWidth = input.MaximumSliceWidth,
+                TangentLineZTop = input.TangentLineZTop,
+                TangentLineZBottom = input.TangentLineZBottom,
+                TangentLineNumber = input.TangentLineNumber,
                 MoveGrid = input.MoveGrid,
                 LeftGrid = input.LeftGrid.ToMacroStabilityInwardsGridConfiguration(),
                 RightGrid = input.RightGrid.ToMacroStabilityInwardsGridConfiguration()
@@ -101,6 +104,12 @@
                     new ConfigurationGridDeterminationTypeConverter().ConvertFrom(input.GridDeterminationType);
             }
 
+            if (Enum.IsDefined(typeof(MacroStabilityInwardsTangentLineDeterminationType), input.TangentLineDeterminationType))
+            {
+                calculationConfiguration.TangentLineDeterminationType = (ConfigurationTangentLineDeterminationType?)
+                    new ConfigurationTangentLineDeterminationTypeConverter().ConvertFrom(input.TangentLineDeterminationType);
+            }
+
             return calculationConfiguration;
         }
     }