diff --git a/app/node/graph.h b/app/node/graph.h
index dbdfb990b..8935db662 100644
--- a/app/node/graph.h
+++ b/app/node/graph.h
@@ -96,7 +96,7 @@ public:
 
   qreal GetNodeContextHeight(Node *context);
 
-  using PositionMap = QMap<Node*, QPointF>;
+  using PositionMap = QHash<Node*, QPointF>;
 
   const PositionMap &GetNodesForContext(Node *context)
   {