Index: trunk/src/org/openstreetmap/josm/actions/OrthogonalizeAction.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/OrthogonalizeAction.java	(revision 9947)
+++ trunk/src/org/openstreetmap/josm/actions/OrthogonalizeAction.java	(revision 9948)
@@ -185,5 +185,5 @@
             }
         }
-        if (wayDataList.isEmpty() && !nodeList.isEmpty()) {
+        if (wayDataList.isEmpty() && nodeList.size() > 2) {
             final WayData data = new WayData(nodeList);
             final Collection<Command> commands = orthogonalize(Collections.singletonList(data), Collections.<Node>emptyList());