--- a/mercurial/revlog.py	Fri Dec 01 23:16:12 2006 +0100
+++ b/mercurial/revlog.py	Fri Dec 01 23:27:53 2006 +0100
@@ -81,7 +81,7 @@
 # 32 bytes: nodeid
 indexformatng = ">Qiiiiii20s12x"
 ngshaoffset = 32
-versionformat = ">i"
+versionformat = ">I"
 
 class lazyparser(object):
     """