diff -r 4778f398ec83 -r faa4b3fc4197 mercurial/templatekw.py
--- a/mercurial/templatekw.py	Sun Nov 17 15:11:09 2013 -0800
+++ b/mercurial/templatekw.py	Thu Nov 21 11:30:52 2013 -0600
@@ -188,6 +188,7 @@
     branch = args['ctx'].branch()
     if branch != 'default':
         return showlist('branch', [branch], plural='branches', **args)
+    return showlist('branch', [], plural='branches', **args)
 
 def showbookmarks(**args):
     """:bookmarks: List of strings. Any bookmarks associated with the