diff --git a/copyparty/httpcli.py b/copyparty/httpcli.py
index 44aafda98..26160133d 100644
--- a/copyparty/httpcli.py
+++ b/copyparty/httpcli.py
@@ -34,7 +34,7 @@ from .__init__ import ANYWIN, PY2, RES, RESM, TYPE_CHECKING, EnvParams, unicode
 from .__version__ import S_VERSION
 from .authsrv import LEELOO_DALLAS, VFS  # typechk
 from .bos import bos
-from .qrkode import QrCode, qr2svg, qrgen
+from .qrkode import qr2svg, qrgen
 from .star import StreamTar
 from .sutil import StreamArc, gfilter
 from .szip import StreamZip
@@ -3346,7 +3346,7 @@ class HttpCli(object):
         try:
             postsize = remains = int(self.headers["content-length"])
         except:
-            raise Pebkac(400, "you must supply a content-length for binary POST")
+            raise Pebkac(411)
 
         if self.args.wopi and self.vpath.startswith("wopi"):
             return self.rx_wopi(postsize)