Index: /applications/editors/josm/plugins/wikipedia/src/org/wikipedia/WikipediaToggleDialog.java
===================================================================
--- /applications/editors/josm/plugins/wikipedia/src/org/wikipedia/WikipediaToggleDialog.java	(revision 29326)
+++ /applications/editors/josm/plugins/wikipedia/src/org/wikipedia/WikipediaToggleDialog.java	(revision 29327)
@@ -21,4 +21,5 @@
 import org.openstreetmap.josm.actions.search.SearchAction;
 import org.openstreetmap.josm.command.ChangePropertyCommand;
+import org.openstreetmap.josm.data.Preferences;
 import org.openstreetmap.josm.data.coor.LatLon;
 import org.openstreetmap.josm.data.osm.OsmPrimitive;
@@ -49,5 +50,5 @@
                 new SideButton(new OpenWikipediaArticleAction()),
                 new SideButton(new WikipediaSettingsAction(), false)));
-        setTitle(/* I18n: [language].Wikipedia.org */ tr("{0}.Wikipedia.org", wikipediaLang.get()));
+        updateTitle();
     }
     final StringProperty wikipediaLang = new StringProperty("wikipedia.lang", LanguageInfo.getJOSMLocaleCode().substring(0, 2));
@@ -106,4 +107,8 @@
     }
 
+    private void updateTitle() {
+        setTitle(/* I18n: [language].Wikipedia.org: coordinates */ tr("{0}.Wikipedia.org: coordinates", wikipediaLang.get()));
+    }
+
     class WikipediaLoadCoordinatesAction extends AbstractAction {
 
@@ -123,5 +128,5 @@
                 // add entries to list model
                 setWikipediaEntries(entries);
-                setTitle(/* I18n: [language].Wikipedia.org: coordinates */ tr("{0}.Wikipedia.org: coordinates", wikipediaLang.get()));
+                updateTitle();
             } catch (Exception ex) {
                 throw new RuntimeException(ex);
@@ -184,4 +189,5 @@
             if (lang != null) {
                 wikipediaLang.put(lang);
+                updateTitle();
                 updateWikipediaArticles();
             }