diff --git a/pywb/warcserver/test/test_inputreq.py b/pywb/warcserver/test/test_inputreq.py
index 49eaf8d3..37d1f509 100644
--- a/pywb/warcserver/test/test_inputreq.py
+++ b/pywb/warcserver/test/test_inputreq.py
@@ -141,7 +141,7 @@ def test_post_extract_length_too_short(self):
         mq = MethodQueryCanonicalizer('POST', 'application/x-www-form-urlencoded',
                                 len(self.post_data) - 4, BytesIO(self.post_data))
 
-        assert mq.append_query('http://example.com/') == 'http://example.com/?__wb_method=POST&foo=bar&dir=%2&do=true&re=false&re='
+        assert mq.append_query('http://example.com/') == 'http://example.com/?__wb_method=POST&foo=bar&dir=/baz&do=true&re=false&re='
 
     def test_post_extract_length_too_long(self):
         mq = MethodQueryCanonicalizer('POST', 'application/x-www-form-urlencoded',