diff -r a7686abf73a6 -r ee625de3541e hgext/largefiles/lfcommands.py
--- a/hgext/largefiles/lfcommands.py	Tue Oct 11 21:11:01 2011 -0400
+++ b/hgext/largefiles/lfcommands.py	Tue Oct 11 21:07:08 2011 -0400
@@ -464,7 +464,7 @@
 
 cmdtable = {
     'lfconvert': (lfconvert,
-                  [('s', 'size', 0, 'All files over this size (in megabytes) '
+                  [('s', 'size', '', 'All files over this size (in megabytes) '
                   'will be considered largefiles. This can also be specified '
                   'in your hgrc as [largefiles].size.'),
                   ('','tonormal',False,