From aa5e051ed399834bd83724b88add5908501e54c9 Mon Sep 17 00:00:00 2001
From: alex-eri <alex-eri@users.noreply.github.com>
Date: Sat, 25 Mar 2017 23:27:45 +0300
Subject: [PATCH] fixex #1750

trivial
---
 aiohttp/formdata.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/aiohttp/formdata.py b/aiohttp/formdata.py
index e6fb1f9b7bc..2a141dc6bf5 100644
--- a/aiohttp/formdata.py
+++ b/aiohttp/formdata.py
@@ -96,7 +96,7 @@ def _gen_form_urlencoded(self):
 
         charset = self._charset if self._charset is not None else 'utf-8'
         return payload.BytesPayload(
-            urlencode(data, doseq=True).encode(charset),
+            urlencode(data, doseq=True, encoding=charset).encode(),
             content_type='application/x-www-form-urlencoded')
 
     def _gen_form_data(self):