diff --git a/README.md b/README.md
index 774605d..290f156 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,4 @@
 [![Build Status](https://github.com/davidbrochart/zmq-anyio/actions/workflows/test.yml/badge.svg?query=branch%3Amain++)](https://github.com/davidbrochart/zmq-anyio/actions/workflows/test.yml/badge.svg?query=branch%3Amain++)
-[![Code Coverage](https://img.shields.io/badge/coverage-100%25-green)](https://img.shields.io/badge/coverage-100%25-green)
 
 # zmq-anyio
 
diff --git a/pyproject.toml b/pyproject.toml
index 8cda646..8280fcd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,7 +28,7 @@ classifiers = [
 requires-python = ">= 3.9"
 dependencies = [
     "anyio",
-    "anyioutils",
+    "anyioutils >=0.4.6",
     "pyzmq >=26.0.0,<27.0.0",
 ]
 
diff --git a/src/zmq_anyio/_socket.py b/src/zmq_anyio/_socket.py
index 0d179eb..9876083 100644
--- a/src/zmq_anyio/_socket.py
+++ b/src/zmq_anyio/_socket.py
@@ -1,11 +1,14 @@
 from __future__ import annotations
 
+import select
 import selectors
 import warnings
 from collections import deque
 from contextlib import AsyncExitStack
 from functools import partial
 from itertools import chain
+from socket import socketpair
+from threading import Event
 from typing import (
     Any,
     Awaitable,
@@ -35,7 +38,7 @@ class _FutureEvent(NamedTuple):
 class _AsyncPoller(zmq.Poller):
     """Poller that returns a Future on poll, instead of blocking."""
 
-    _socket_class: type[_AsyncSocket]
+    _socket_class: type[Socket]
     raw_sockets: list[Any]
 
     def _watch_raw_socket(self, socket: Any, evt: int, f: Callable) -> None:
@@ -71,7 +74,7 @@ def wake_raw(*args):
 
             watcher.add_done_callback(lambda f: self._unwatch_raw_sockets(*raw_sockets))
 
-            wrapped_sockets: list[_AsyncSocket] = []
+            wrapped_sockets: list[Socket] = []
 
             def _clear_wrapper_io(f):
                 for s in wrapped_sockets:
@@ -81,7 +84,7 @@ def _clear_wrapper_io(f):
                 if isinstance(socket, zmq.Socket):
                     if not isinstance(socket, self._socket_class):
                         # it's a blocking zmq.Socket, wrap it in async
-                        socket = self._socket_class.from_socket(socket)
+                        socket = self._socket_class(socket)
                         wrapped_sockets.append(socket)
                     if mask & zmq.POLLIN:
                         create_task(
@@ -161,9 +164,11 @@ class Socket(zmq.Socket):
     _shadow_sock: zmq.Socket
     _poller_class = _AsyncPoller
     _fd = None
-    _selector = None
     _exit_stack = None
     _task_group = None
+    _stop_event = None
+    _select_socket_r = None
+    _select_socket_w = None
 
     def __init__(
         self,
@@ -188,9 +193,16 @@ def __init__(
         self._send_futures = deque()
         self._state = 0
         self._fd = self._shadow_sock.FD
+        self._stop_event = Event()
+        self._select_socket_r, self._select_socket_w = socketpair()
+        self._select_socket_r.setblocking(False)
+        self._select_socket_w.setblocking(False)
 
     def close(self, linger: int | None = None) -> None:
-        self._selector.unregister(self._shadow_sock)
+        assert self._stop_event is not None
+        assert self._select_socket_w is not None
+        self._stop_event.set()
+        self._select_socket_w.send(b"a")
         if not self.closed and self._fd is not None:
             event_list: list[_FutureEvent] = list(
                 chain(self._recv_futures or [], self._send_futures or [])
@@ -265,7 +277,7 @@ async def asend_json(
         obj: Any,
         flags: int = 0,
         **kwargs,
-    ) -> None:
+    ):
         send_kwargs = {}
         for key in ("routing_id", "group"):
             if key in kwargs:
@@ -275,7 +287,7 @@ async def asend_json(
 
     async def asend_multipart(
         self,
-        msg_parts: Sequence[bytes],
+        msg_parts: list[bytes],
         flags: int = 0,
         copy: bool = True,
         track: bool = False,
@@ -668,26 +680,26 @@ async def __aenter__(self) -> Socket:
             self._exit_stack = exit_stack.pop_all()
             self._task_group.start_soon(self.start)
 
+        return self
+
     async def __aexit__(self, exc_type, exc_value, exc_tb):
         self._task_group.cancel_scope.cancel()
         self.close()
         return await self._exit_stack.__aexit__(exc_type, exc_value, exc_tb)
 
     async def start(self):
-        if self._selector is not None:
-            raise RuntimeError("Socket already started")
-
-        self._selector = selectors.DefaultSelector()
-        self._selector.register(self._shadow_sock, selectors.EVENT_READ, self._read)
         await to_thread.run_sync(self._reader, abandon_on_cancel=True)
         #create_task(self._handle_events(task_group), task_group)
 
     def _reader(self):
         while True:
-            events = self._selector.select()
-            for key, mask in events:
-                callback = key.data
-                callback()
+            try:
+                rs, ws, xs = select.select([self._shadow_sock, self._select_socket_r.fileno()], [], [self._shadow_sock, self._select_socket_r.fileno()])
+            except OSError as e:
+                return
+            if self._stop_event.is_set():
+                return
+            self._read()
 
     def _read(self):
         from_thread.run(self._handle_events)