diff --git a/winsup/cygwin/fhandler_socket_unix.cc b/winsup/cygwin/fhandler_socket_unix.cc
index df76b49b7..ecf5f2839 100644
--- a/winsup/cygwin/fhandler_socket_unix.cc
+++ b/winsup/cygwin/fhandler_socket_unix.cc
@@ -2541,6 +2541,7 @@ fhandler_socket_unix::sendmsg (const struct msghdr *msg, int flags)
 	      set_errno (ENOTCONN);
 	      __leave;
 	    }
+	  grab_admin_pkt ();
 	  if (saw_shutdown () & _SHUT_SEND)
 	    {
 	      set_errno (EPIPE);