diff --git a/copyparty/__main__.py b/copyparty/__main__.py
index 8e317481..176e5bfe 100644
--- a/copyparty/__main__.py
+++ b/copyparty/__main__.py
@@ -471,6 +471,7 @@ def run_argparse(argv, formatter):
     ap2.add_argument("--no-logues", action="store_true", help="disable rendering .prologue/.epilogue.html into directory listings")
     ap2.add_argument("--no-readme", action="store_true", help="disable rendering readme.md into directory listings")
     ap2.add_argument("--vague-403", action="store_true", help="send 404 instead of 403 (security through ambiguity, very enterprise)")
+    ap2.add_argument("--force-js", action="store_true", help="don't send HTML folder listings, force clients to use the embedded json instead")
 
     ap2 = ap.add_argument_group('yolo options')
     ap2.add_argument("--ign-ebind", action="store_true", help="continue running even if it's impossible to listen on some of the requested endpoints")
diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index 454231aa..b19de920 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -2156,7 +2156,7 @@ class HttpCli(object):
 
         url_suf = self.urlq({}, [])
         is_ls = "ls" in self.uparam
-        is_js = self.cookies.get("js") == "y"
+        is_js = self.args.force_js or self.cookies.get("js") == "y"
 
         tpl = "browser"
         if "b" in self.uparam: