Index: Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Plugin/MacroStabilityInwardsPlugin.cs
===================================================================
diff -u -rd0c79a90e71905cc828aef00a9572cccd2202554 -r3ccb9203ba3ede05115a3cf247f2d4960bda59c3
--- Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Plugin/MacroStabilityInwardsPlugin.cs	(.../MacroStabilityInwardsPlugin.cs)	(revision d0c79a90e71905cc828aef00a9572cccd2202554)
+++ Ringtoets/MacroStabilityInwards/src/Ringtoets.MacroStabilityInwards.Plugin/MacroStabilityInwardsPlugin.cs	(.../MacroStabilityInwardsPlugin.cs)	(revision 3ccb9203ba3ede05115a3cf247f2d4960bda59c3)
@@ -720,6 +720,8 @@
 
             return builder.AddExportItem()
                           .AddSeparator()
+                          .AddDuplicateCalculationItem(calculation, nodeData)
+                          .AddSeparator()
                           .AddRenameItem()
                           .AddSeparator()
                           .AddValidateCalculationItem(