diff --git a/packages/net/tcp_listener.pony b/packages/net/tcp_listener.pony
index c8785a2b92..335f277d94 100644
--- a/packages/net/tcp_listener.pony
+++ b/packages/net/tcp_listener.pony
@@ -216,13 +216,13 @@ actor TCPListener
     _closed = true
 
     if not _event.is_null() then
-      @pony_os_socket_close[None](_fd)
-      _fd = -1
-
       // When not on windows, the unsubscribe is done immediately.
       ifdef not windows then
         @pony_asio_event_unsubscribe(_event)
       end
 
+      @pony_os_socket_close[None](_fd)
+      _fd = -1
+
       _notify.closed(this)
     end