diff -r 61343b40a141 -r e20e40f67f0e hgext/convert/subversion.py
--- a/hgext/convert/subversion.py	Thu Jul 05 14:32:18 2007 -0700
+++ b/hgext/convert/subversion.py	Thu Jul 05 15:01:31 2007 -0700
@@ -190,7 +190,8 @@
             parents = []
 
             # branch log might return entries for a parent we already have
-            if rev in self.commits:
+            if (rev in self.commits or
+                (revnum < self.lastrevs.get(self.module, 0))):
                 return
 
             try: