Index: trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManager.java
===================================================================
--- trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManager.java	(revision 14601)
+++ trunk/src/org/openstreetmap/josm/gui/dialogs/changeset/ChangesetCacheManager.java	(revision 14602)
@@ -103,5 +103,5 @@
     public static void destroyInstance() {
         if (instance != null) {
-            instance.setVisible(true);
+            instance.setVisible(false);
             instance.dispose();
             for (Component c : instance.pnlChangesetDetailTabs.getComponents()) {