Index: /trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Selector.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Selector.java	(revision 6747)
+++ /trunk/src/org/openstreetmap/josm/gui/mappaint/mapcss/Selector.java	(revision 6748)
@@ -172,5 +172,5 @@
                         // abort if first match has been found
                         break;
-                    } else if (!e.osm.equals(p)) {
+                    } else if (!e.osm.equals(p) && p.isUsable()) {
                         p.accept(this);
                     }