Index: /applications/editors/josm/plugins/navigator/src/at/dallermassl/josm/plugin/navigator/NavigatorPlugin.java
===================================================================
--- /applications/editors/josm/plugins/navigator/src/at/dallermassl/josm/plugin/navigator/NavigatorPlugin.java	(revision 3830)
+++ /applications/editors/josm/plugins/navigator/src/at/dallermassl/josm/plugin/navigator/NavigatorPlugin.java	(revision 3831)
@@ -11,4 +11,5 @@
 import java.util.List;
 
+import javax.swing.AbstractButton;
 import javax.swing.JMenu;
 import javax.swing.JMenuBar;
@@ -65,6 +66,7 @@
     public void mapFrameInitialized(MapFrame oldFrame, MapFrame newFrame) {
         if(newFrame != null) {
-            newFrame.toolBarActions.add(
-                new IconToggleButton(new NavigatorModeAction(newFrame, navigatorModel, navigatorLayer)));
+            IconToggleButton button = new IconToggleButton(new NavigatorModeAction(newFrame, navigatorModel, navigatorLayer)); 
+            newFrame.toolBarActions.add(button);
+            newFrame.toolGroup.add(button);
         }
     }