Index: /applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSPlugin.java
===================================================================
--- /applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSPlugin.java	(revision 12457)
+++ /applications/editors/josm/plugins/wmsplugin/src/wmsplugin/WMSPlugin.java	(revision 12458)
@@ -14,4 +14,5 @@
 
 import javax.swing.AbstractAction;
+import javax.swing.AbstractButton;
 import javax.swing.JMenu;
 import javax.swing.JMenuBar;
@@ -212,6 +213,8 @@
 			setEnabledAll(true);
 			Main.map.toolBarActions.addSeparator();
-			Main.map.toolBarActions.add(new IconToggleButton
-						(new WMSAdjustAction(Main.map)));
+			IconToggleButton tb = new IconToggleButton
+						(new WMSAdjustAction(Main.map));
+			Main.map.toolBarActions.add(tb);
+			Main.map.toolGroup.add((AbstractButton)tb);
 		} else if (oldFrame!=null && newFrame==null ) {
 			setEnabledAll(false);