Index: trunk/src/org/openstreetmap/josm/gui/DefaultNameFormatter.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/DefaultNameFormatter.java	(revision 2384)
+++ trunk/src/org/openstreetmap/josm/gui/DefaultNameFormatter.java	(revision 2385)
@@ -132,5 +132,5 @@
             }
 
-            int nodesNo = new HashSet<Node>(way.getNodes()).size();
+            int nodesNo = way.getNodesCount();
             String nodes = trn("{0} node", "{0} nodes", nodesNo, nodesNo);
             name += (name.length() > 0) ? " ("+nodes+")" : nodes;