diff --git a/src/engineio/async_drivers/aiohttp.py b/src/engineio/async_drivers/aiohttp.py
index 7c3440f..c6c234e 100644
--- a/src/engineio/async_drivers/aiohttp.py
+++ b/src/engineio/async_drivers/aiohttp.py
@@ -1,6 +1,5 @@
 import asyncio
 import sys
-from urllib.parse import urlsplit
 
 from aiohttp.web import Response, WebSocketResponse
 
@@ -22,12 +21,8 @@ def translate_request(request):
     """This function takes the arguments passed to the request handler and
     uses them to generate a WSGI compatible environ dictionary.
     """
-    message = request._message
-    payload = request._payload
-
-    uri_parts = urlsplit(message.path)
     environ = {
-        'wsgi.input': payload,
+        'wsgi.input': request.content,
         'wsgi.errors': sys.stderr,
         'wsgi.version': (1, 0),
         'wsgi.async': True,
@@ -35,10 +30,10 @@ def translate_request(request):
         'wsgi.multiprocess': False,
         'wsgi.run_once': False,
         'SERVER_SOFTWARE': 'aiohttp',
-        'REQUEST_METHOD': message.method,
-        'QUERY_STRING': uri_parts.query or '',
-        'RAW_URI': message.path,
-        'SERVER_PROTOCOL': 'HTTP/%s.%s' % message.version,
+        'REQUEST_METHOD': request.method,
+        'QUERY_STRING': request.query_string or '',
+        'RAW_URI': request.path_qs,
+        'SERVER_PROTOCOL': f'HTTP/{request.version[0]}.{request.version[1]}',
         'REMOTE_ADDR': '127.0.0.1',
         'REMOTE_PORT': '0',
         'SERVER_NAME': 'aiohttp',
@@ -46,7 +41,7 @@ def translate_request(request):
         'aiohttp.request': request
     }
 
-    for hdr_name, hdr_value in message.headers.items():
+    for hdr_name, hdr_value in request.headers.items():
         hdr_name = hdr_name.upper()
         if hdr_name == 'CONTENT-TYPE':
             environ['CONTENT_TYPE'] = hdr_value
@@ -63,9 +58,7 @@ def translate_request(request):
 
     environ['wsgi.url_scheme'] = environ.get('HTTP_X_FORWARDED_PROTO', 'http')
 
-    path_info = uri_parts.path
-
-    environ['PATH_INFO'] = path_info
+    environ['PATH_INFO'] = request.path
     environ['SCRIPT_NAME'] = ''
 
     return environ
diff --git a/tests/async/test_aiohttp.py b/tests/async/test_aiohttp.py
index 94b034e..ef40489 100644
--- a/tests/async/test_aiohttp.py
+++ b/tests/async/test_aiohttp.py
@@ -1,5 +1,8 @@
 from unittest import mock
 
+import yarl
+from aiohttp.web import Request
+
 from engineio.async_drivers import aiohttp as async_aiohttp
 
 
@@ -12,18 +15,28 @@ def test_create_route(self):
         app.router.add_post.assert_any_call('/foo', mock_server.handle_request)
 
     def test_translate_request(self):
-        request = mock.MagicMock()
-        request._message.method = 'PUT'
-        request._message.path = '/foo/bar?baz=1'
-        request._message.version = (1, 1)
-        request._message.headers = {
+        message = mock.MagicMock()
+        message.url = yarl.URL('https://example.com/foo/bar?baz=1')
+        message.method = 'PUT'
+        message.path = '/foo/bar?baz=1'
+        message.version = (1, 1)
+        message.headers = {
             'a': 'b',
             'c-c': 'd',
             'c_c': 'e',
             'content-type': 'application/json',
             'content-length': 123,
         }
-        request._payload = b'hello world'
+
+        request = Request(
+            message,
+            payload=b'hello world',
+            protocol=mock.MagicMock(),
+            payload_writer=mock.MagicMock(),
+            task=mock.MagicMock(),
+            loop=mock.MagicMock(),
+        )
+
         environ = async_aiohttp.translate_request(request)
         expected_environ = {
             'REQUEST_METHOD': 'PUT',