Index: trunk/src/org/openstreetmap/josm/actions/DownloadAction.java
===================================================================
--- trunk/src/org/openstreetmap/josm/actions/DownloadAction.java	(revision 410)
+++ trunk/src/org/openstreetmap/josm/actions/DownloadAction.java	(revision 411)
@@ -66,4 +66,7 @@
         		JOptionPane.showMessageDialog(Main.parent, tr("Please select at least one task to download"));
         }
+
+		dialog = null;
+		dlg.dispose();
 	}
 }