diff --git a/rhodecode/lib/vcs/backends/hg/repository.py b/rhodecode/lib/vcs/backends/hg/repository.py
--- a/rhodecode/lib/vcs/backends/hg/repository.py
+++ b/rhodecode/lib/vcs/backends/hg/repository.py
@@ -270,7 +270,7 @@ class MercurialRepository(BaseRepository
         return MercurialDiff(diff)
 
     def strip(self, commit_id, branch=None):
-        self._remote.strip(commit_id, update=False, backup="none")
+        self._remote.strip(commit_id, update=False, backup=False)
 
         self._remote.invalidate_vcs_cache()
         # clear cache