diff --git a/eden/scm/ghstack/sapling_shell.py b/eden/scm/ghstack/sapling_shell.py
index 848f615dfefae..e9079bd21f629 100644
--- a/eden/scm/ghstack/sapling_shell.py
+++ b/eden/scm/ghstack/sapling_shell.py
@@ -68,7 +68,7 @@ def _rewrite_args(self, _args: List[str]) -> List[str]:
         # not be able to resolve arguments like HEAD, so we must resolve those
         # to a full hash before running Git.
         if 'HEAD' in args:
-            top = self._run_sapling_command(['log', '-r', 'max(descendants(.))', '-T', '{node}'])
+            top = self._run_sapling_command(['log', '-r', '.', '-T', '{node}'])
             for index, arg in enumerate(args):
                 if arg == 'HEAD':
                     args[index] = top