diff -r 12ed6dfa8eea -r 4f84b3307dc2 hgext/evolve.py
--- a/hgext/evolve.py	Fri Apr 04 01:07:27 2014 +0200
+++ b/hgext/evolve.py	Mon Apr 14 18:16:35 2014 +0200
@@ -745,7 +745,6 @@
                 'no support for evolution merge changesets yet',
                 hint="Redo the merge a use `hg prune` to obsolete the old one")
         destbookmarks = repo.nodebookmarks(dest.node())
-        cmdutil.duplicatecopies(repo, orig.node(), dest.node())
         nodesrc = orig.node()
         destphase = repo[nodesrc].phase()
         try:
@@ -754,6 +753,7 @@
             if r[-1]: #some conflict
                 raise util.Abort(
                         'unresolved merge conflicts (see hg help resolve)')
+            cmdutil.duplicatecopies(repo, orig.node(), dest.node())
             nodenew = rebase.concludenode(repo, orig.node(), dest.node(),
                                           node.nullid)
         except util.Abort, exc: