diff --git a/cros_mark_as_stable.py b/cros_mark_as_stable.py
index d9373c05ef..3af5df8890 100755
--- a/cros_mark_as_stable.py
+++ b/cros_mark_as_stable.py
@@ -131,7 +131,7 @@ def _PushChange():
   _RunCommand('git cl upload --desc_from_logs -m "%s"' %
     'Marking set of ebuilds as stable')
   _RunCommand('git remote update')
-  _RunCommand('git rebase origin/master')
+  _RunCommand('git rebase %s' % gflags.FLAGS.tracking_branch)
   _RunCommand('git cl push %s' % gflags.FLAGS.push_options)