diff --git a/tremolo/asgi_server.py b/tremolo/asgi_server.py
index 8e86e03..63c03a3 100644
--- a/tremolo/asgi_server.py
+++ b/tremolo/asgi_server.py
@@ -3,7 +3,7 @@
 import asyncio
 
 from http import HTTPStatus
-from urllib.parse import unquote
+from urllib.parse import unquote_to_bytes
 
 from .exceptions import (
     InternalServerError,
@@ -63,8 +63,9 @@ async def _handle_http(self):
     async def headers_received(self):
         self._scope = {
             'asgi': {'version': '3.0'},
-            'http_version': self.request.version.decode('utf-8'),
-            'path': unquote(self.request.path.decode('utf-8'), 'utf-8'),
+            'http_version': self.request.version.decode('latin-1'),
+            'path': unquote_to_bytes(
+                bytes(self.request.path)).decode('latin-1'),
             'raw_path': self.request.path,
             'query_string': self.request.query_string,
             'root_path': self.options['_root_path'],
diff --git a/tremolo/lib/http_protocol.py b/tremolo/lib/http_protocol.py
index 8a82745..7d5c319 100644
--- a/tremolo/lib/http_protocol.py
+++ b/tremolo/lib/http_protocol.py
@@ -2,7 +2,7 @@
 
 import asyncio
 
-from urllib.parse import quote, unquote
+from urllib.parse import quote_from_bytes, unquote_to_bytes
 
 from .h1parser import ParseHeader
 from .http_exception import (
@@ -181,8 +181,7 @@ async def handle_exception(self, exc):
             return
 
         self.print_exception(
-            exc,
-            quote(unquote(self.request.path.decode('latin-1')))
+            exc, quote_from_bytes(unquote_to_bytes(bytes(self.request.path)))
         )
 
         if isinstance(exc, WebSocketException):