Index: applications/editors/josm/plugins/czechaddress/src/org/openstreetmap/josm/plugins/czechaddress/Preferences.java
===================================================================
--- applications/editors/josm/plugins/czechaddress/src/org/openstreetmap/josm/plugins/czechaddress/Preferences.java	(revision 27852)
+++ applications/editors/josm/plugins/czechaddress/src/org/openstreetmap/josm/plugins/czechaddress/Preferences.java	(revision 27863)
@@ -5,5 +5,5 @@
 
 import org.openstreetmap.josm.Main;
-import org.openstreetmap.josm.gui.preferences.PreferenceSetting;
+import org.openstreetmap.josm.gui.preferences.DefaultTabPreferenceSetting;
 import org.openstreetmap.josm.gui.preferences.PreferenceTabbedPane;
 /**
@@ -11,5 +11,7 @@
  * @author radek
  */
-public class Preferences extends javax.swing.JPanel implements PreferenceSetting {
+public class Preferences extends DefaultTabPreferenceSetting {
+
+    public JPanel thisPanel;
 
     public int optimize;
@@ -38,4 +40,8 @@
     /** Creates new form Preferences */
     private Preferences() {
+        super("czech_flag",
+                "Nastavení CzechAddressPlugin",
+                "Nastavení pluginu pro úpravu a zadávání adres na území ČR.");
+        thisPanel = new JPanel();
         initComponents();
         addBuildingTag = Main.pref.getBoolean(KEY_BUILDINGTAG,    buildingCheckBox.isSelected());
@@ -73,5 +79,5 @@
         buildingCheckBox = new javax.swing.JCheckBox();
 
-        setLayout(new java.awt.GridLayout(1, 0));
+        thisPanel.setLayout(new java.awt.GridLayout(1, 0));
 
         addNewTagCheckBox.setText("Novým primitivám přidávat tag:");
@@ -153,5 +159,5 @@
         );
 
-        add(mainPanel);
+        thisPanel.add(mainPanel);
     }// </editor-fold>//GEN-END:initComponents
 
@@ -174,7 +180,5 @@
 
     public void addGui(PreferenceTabbedPane gui) {
-        JPanel p = gui.createPreferenceTab("czech_flag",
-                "Nastavení CzechAddressPlugin",
-                "Nastavení pluginu pro úpravu a zadávání adres na území ČR.");
+        JPanel p = gui.createPreferenceTab(this);
         p.add(mainPanel);
         reloadSettings();