diff --git a/src/calibre/gui2/update.py b/src/calibre/gui2/update.py
index f76d4b8e65..caa1d3f3dc 100644
--- a/src/calibre/gui2/update.py
+++ b/src/calibre/gui2/update.py
@@ -15,6 +15,7 @@ from calibre.gui2 import config, dynamic, open_url
 from calibre.gui2.dialogs.plugin_updater import get_plugin_updates_available
 
 URL = 'http://status.calibre-ebook.com/latest'
+#URL = 'http://localhost:8000/latest'
 NO_CALIBRE_UPDATE = '-0.0.0'
 VSEP = '|'