Index: Ringtoets/Piping/src/Ringtoets.Piping.Forms/NodePresenters/PipingCalculationInputsNodePresenter.cs
===================================================================
diff -u -r2a90c0c1be6114f72af65c42f0a6f334b30e4755 -r78aece3188a23a908e7c0a47e53e5facd1c7edb5
--- Ringtoets/Piping/src/Ringtoets.Piping.Forms/NodePresenters/PipingCalculationInputsNodePresenter.cs	(.../PipingCalculationInputsNodePresenter.cs)	(revision 2a90c0c1be6114f72af65c42f0a6f334b30e4755)
+++ Ringtoets/Piping/src/Ringtoets.Piping.Forms/NodePresenters/PipingCalculationInputsNodePresenter.cs	(.../PipingCalculationInputsNodePresenter.cs)	(revision 78aece3188a23a908e7c0a47e53e5facd1c7edb5)
@@ -44,10 +44,10 @@
 
         public IEnumerable GetChildNodeObjects(object parentNodeData, ITreeNode node)
         {
-            var pipingData = ((PipingCalculationInputs) parentNodeData).PipingData.Output;
-            if (pipingData != null)
+            var pipingOutput = ((PipingCalculationInputs) parentNodeData).PipingData.Output;
+            if (pipingOutput != null)
             {
-                yield return pipingData;
+                yield return pipingOutput;
             }
         }