diff --git a/modules/gerrit/files/scripts/manage_projects.py b/modules/gerrit/files/scripts/manage_projects.py
index 0bb0fc749a..9f5c518085 100755
--- a/modules/gerrit/files/scripts/manage_projects.py
+++ b/modules/gerrit/files/scripts/manage_projects.py
@@ -113,7 +113,7 @@ def copy_acl_config(project, repo_path, acl_config):
     status, _ = run_command("cp %s %s" %
                             (acl_config, acl_dest), status=True)
     if status == 0:
-        status = git_command(repo_path, "diff-index --quiet HEAD --")
+        status = git_command(repo_path, "diff --quiet HEAD")
         if status != 0:
             return True
     return False