diff --git a/app/main.py b/app/main.py
index eaa5f94..4673257 100644
--- a/app/main.py
+++ b/app/main.py
@@ -30,8 +30,6 @@ exp3 = re.compile(r'^(?:https?://)?github\.com/.+?/.+?/(?:info|git-).*$')
 exp4 = re.compile(r'^(?:https?://)?raw\.githubusercontent\.com/.+?/.+?/.+?/.+$')
 exp5 = re.compile(r'^(?:https?://)?gist\.(?:githubusercontent|github)\.com/.+?/.+?/.+$')
 
-requests.models.PreparedRequest.prepare_headers = lambda _, __: None
-
 
 @app.route('/')
 def index():
@@ -110,6 +108,7 @@ def proxy(u):
         r_headers = dict(request.headers)
         if 'Host' in r_headers:
             r_headers.pop('Host')
+        r_headers['Accept-Encoding'] = request.headers.get('Accept-Encoding', 'identity')
         try:
             url = u + request.url.replace(request.base_url, '', 1)
             if url.startswith('https:/') and not url.startswith('https://'):