Index: trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/LabelCompositionStrategy.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/LabelCompositionStrategy.java	(revision 15209)
+++ trunk/src/org/openstreetmap/josm/gui/mappaint/styleelement/LabelCompositionStrategy.java	(revision 15210)
@@ -168,4 +168,5 @@
          */
         public DeriveLabelFromNameTagsCompositionStrategy() {
+            Config.getPref().addPreferenceChangeListener(this);
             initNameTagsFromPreferences();
         }