diff --git a/mercurial/merge.py b/mercurial/merge.py
old mode 100755
new mode 100644
--- a/mercurial/merge.py
+++ b/mercurial/merge.py
@@ -109,10 +109,10 @@ def findcopies(repo, m1, m2, ma, limit):
         visit = [fctx]
         while visit:
             fc = visit.pop()
+            if fc.path() != orig and fc.path() not in old:
+                old[fc.path()] = 1
             if fc.rev() < limit:
                 continue
-            if fc.path() != orig and fc.path() not in old:
-                old[fc.path()] = 1
             visit += fc.parents()
 
         old = old.keys()