diff --git a/tutorials/hello_redner.ipynb b/tutorials/hello_redner.ipynb
index 859e416..a8aec5c 100644
--- a/tutorials/hello_redner.ipynb
+++ b/tutorials/hello_redner.ipynb
@@ -137,6 +137,9 @@
         "import urllib\n",
         "import zipfile\n",
         "# wget\n",
+        "opener = urllib.request.build_opener()\n",
+        "opener.addheaders = [('Accept', 'application/octet-stream')]\n",
+        "urllib.request.install_opener(opener)\n",
         "filedata = urllib.request.urlretrieve('https://casual-effects.com/g3d/data10/common/model/teapot/teapot.zip', 'teapot.zip')\n",
         "# unzip\n",
         "zip_ref = zipfile.ZipFile('teapot.zip', 'r')\n",
@@ -272,4 +275,4 @@
       ]
     }
   ]
-}
\ No newline at end of file
+}