diff --git a/bh_tree_mpi/datastructures/Tree.cpp b/bh_tree_mpi/datastructures/Tree.cpp
index 1829878a38022282e916a424e1f4227468804dfc..1c882ddd0a2bd93f2734b76d9d45f3838255d3da 100644
--- a/bh_tree_mpi/datastructures/Tree.cpp
+++ b/bh_tree_mpi/datastructures/Tree.cpp
@@ -44,13 +44,12 @@ namespace nbody {
 			}
 			current = current->next;
 		}
-		/*
+
 		BarnesHutTree* bht = dynamic_cast<BarnesHutTree*>(this);
 		if (bht != NULL && !(bht->control.processedNodes == 0 && bht->control.toProcess.empty())) {
 			cout << bht->control.toProcess.size() << endl;
 			return false;
 		}
-		*/
 		return true;
 	}
 
diff --git a/bh_tree_mpi/datastructures/Tree.hpp b/bh_tree_mpi/datastructures/Tree.hpp
index 3503a8c5e11ab3a2112d33d1029023b82d1bff94..10757ea93e260986404c0e2d3c75b8a1704e6ef8 100644
--- a/bh_tree_mpi/datastructures/Tree.hpp
+++ b/bh_tree_mpi/datastructures/Tree.hpp
@@ -19,7 +19,7 @@ namespace nbody {
 		unsigned int maxLeafBodies;
 		Tree* tree;
 		int processedNodes;
-		//stack<Node*> toProcess;
+		stack<Node*> toProcess;
 		pthread_rwlock_t lock;
 	} Control;