diff --git a/gtsam/inference/JunctionTreeUnordered-inst.h b/gtsam/inference/JunctionTreeUnordered-inst.h
index b392d210c..0915d741a 100644
--- a/gtsam/inference/JunctionTreeUnordered-inst.h
+++ b/gtsam/inference/JunctionTreeUnordered-inst.h
@@ -269,7 +269,7 @@ namespace gtsam {
     EliminationData<This> rootsContainer(0, roots_.size());
     //tbb::task_scheduler_init init(1);
     treeTraversal::DepthFirstForestParallel(*this, rootsContainer, eliminationPreOrderVisitor<This>,
-      boost::bind(eliminationPostOrderVisitor<This>, _1, _2, function), -10000);
+      boost::bind(eliminationPostOrderVisitor<This>, _1, _2, function), 5);
 
     // Create BayesTree from roots stored in the dummy BayesTree node.
     boost::shared_ptr<BayesTreeType> result = boost::make_shared<BayesTreeType>();