diff --git a/mercurial/scmutil.py b/mercurial/scmutil.py
--- a/mercurial/scmutil.py
+++ b/mercurial/scmutil.py
@@ -1652,7 +1652,9 @@ def registersummarycallback(repo, otr, t
                 repo.ui.status(msg)
 
             # search new changesets directly pulled as obsolete
-            obsadded = unfi.revs('%d: and obsolete()', origrepolen)
+            duplicates = tr.changes.get('revduplicates', ())
+            obsadded = unfi.revs('(%d: + %ld) and obsolete()',
+                                 origrepolen, duplicates)
             cl = repo.changelog
             extinctadded = [r for r in obsadded if r not in cl]
             if extinctadded:
diff --git a/tests/test-obsolete.t b/tests/test-obsolete.t
--- a/tests/test-obsolete.t
+++ b/tests/test-obsolete.t
@@ -806,6 +806,7 @@ check hgweb does not explode
   adding file changes
   added 62 changesets with 63 changes to 9 files (+60 heads)
   new changesets 50c51b361e60:c15e9edfca13 (62 drafts)
+  (2 other changesets obsolete on arrival)
   (run 'hg heads .' to see heads, 'hg merge' to merge)
   $ for node in `hg log -r 'desc(babar_)' --template '{node}\n'`;
   > do