--- a/mercurial/revlog.py	Fri Sep 21 17:25:25 2007 -0500
+++ b/mercurial/revlog.py	Mon Sep 24 12:34:26 2007 -0500
@@ -1038,7 +1038,7 @@
             ifh.write(entry)
         else:
             offset += curr * self._io.size
-            transaction.add(self.indexfile, offset, prev)
+            transaction.add(self.indexfile, offset, curr)
             ifh.write(entry)
             ifh.write(data[0])
             ifh.write(data[1])