diff --git a/tutorial/extract_edges.cxx b/tutorial/extract_edges.cxx
index 0159e7685..5ccf8e381 100644
--- a/tutorial/extract_edges.cxx
+++ b/tutorial/extract_edges.cxx
@@ -89,9 +89,11 @@ struct EdgeIndicesWorklet : vtkm::worklet::WorkletReduceByKey
     auto cellShape = cellSet.GetCellShape(originCells[0]);
 
     vtkm::IdComponent pointInCellIndex0;
-    vtkm::exec::CellEdgeLocalIndex(numPointsInCell, 0, edgeIndex, cellShape, pointInCellIndex0);
+    VTKM_RETURN_ON_ERROR(
+      vtkm::exec::CellEdgeLocalIndex(numPointsInCell, 0, edgeIndex, cellShape, pointInCellIndex0));
     vtkm::IdComponent pointInCellIndex1;
-    vtkm::exec::CellEdgeLocalIndex(numPointsInCell, 1, edgeIndex, cellShape, pointInCellIndex1);
+    VTKM_RETURN_ON_ERROR(
+      vtkm::exec::CellEdgeLocalIndex(numPointsInCell, 1, edgeIndex, cellShape, pointInCellIndex1));
 
     auto globalPointIndicesForCell = cellSet.GetIndices(originCells[0]);
     connectivityOut[0] = globalPointIndicesForCell[pointInCellIndex0];