Index: src/org/openstreetmap/josm/data/osm/visitor/SimplePaintVisitor.java
===================================================================
--- src/org/openstreetmap/josm/data/osm/visitor/SimplePaintVisitor.java	(revision 182)
+++ src/org/openstreetmap/josm/data/osm/visitor/SimplePaintVisitor.java	(revision 183)
@@ -90,5 +90,5 @@
 			if (!ls.selected) // selected already in good color
 				drawSegment(ls, w.selected ? getPreferencesColor("selected", Color.WHITE) : wayColor);
-			if (Main.pref.getBoolean("draw.segment.order_number"))
+			if (!ls.incomplete && Main.pref.getBoolean("draw.segment.order_number"))
 				drawOrderNumber(ls, orderNumber);
 		}