diff --git a/mercurial/repair.py b/mercurial/repair.py
--- a/mercurial/repair.py
+++ b/mercurial/repair.py
@@ -109,6 +109,9 @@ def strip(ui, repo, nodelist, backup=Tru
     repo = repo.unfiltered()
     repo.destroying()
     vfs = repo.vfs
+    # load bookmark before changelog to avoid side effect from outdated
+    # changelog (see repo._refreshchangelog)
+    repo._bookmarks
     cl = repo.changelog
 
     # TODO handle undo of merge sets